Problem
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a certain car traveled twice as many miles from town a to town b as it did from town b to town c . from town a to town b , the car averaged 12 miles per gallon , and from town b to town c , the car averaged 14 miles per gallon . what is the average miles per gallon that the car achieved on its trip from town a through ...
"each of the other explanations to this question has properly explained that you need to break down the calculation into pieces and figure out the repeatingpatternof the units digits . here ' s another way to organize the information . we ' re given [ ( 2222 ) ^ 333 ] [ ( 3333 ) ^ 222 ] we can ' combine ' some of the p...
a ) 0 , b ) 2 , c ) 4 , d ) 6 , e ) 8
c
add(add(const_4, const_3), const_2)
add(const_3,const_4)|add(#0,const_2)|
general
what is the units digit of 222 ^ ( 333 ) * 333 ^ ( 222 ) ?
length of the courtyard = 75 m breadth of the courtyard = 32 m perimeter of the courtyard = 2 ( 75 + 32 ) m = 2 Γ— 107 m = 214 m distance covered by the boy in taking 4 rounds = 4 Γ— perimeter of courtyard = 4 Γ— 214 = 856 m we know that area of the courtyard = length Γ— breadth = 75 Γ— 32 m 2 = 2400 m 2 for 1 m 2 , the cos...
a ) 3573 , b ) 3455 , c ) 8600 , d ) 7000 , e ) 7200
e
multiply(3, multiply(75, 32))
multiply(n0,n1)|multiply(n2,#0)
physics
the length and breadth of a rectangular courtyard is 75 m and 32 m . find the cost of leveling it at the rate of $ 3 per m 2 . also , find the distance covered by a boy to take 4 rounds of the courtyard .
"train c has traveled 20 mi in the half hour before train d has started its journey . 140 - 20 = 120 40 + 20 = 60 mph 120 mi / 60 mph = 2 hrs 4 : 40 pm + 2 hrs = 6 : 40 pm answer : c . 6 : 40"
a ) 5 : 00 , b ) 5 : 30 , c ) 6 : 40 , d ) 6 : 30 , e ) 7 : 00
c
divide(add(4, const_2), 40)
add(n4,const_2)|divide(#0,n5)|
physics
city a and city b are 140 miles apart . train c departs city a , heading towards city b , at 4 : 00 and travels at 40 miles per hour . train d departs city b , heading towards city a , at 4 : 40 and travels at 20 miles per hour . the trains travel on parallel tracks . at what time do the two trains meet ?
"required answer = [ employee benefit / profit ] * 100 = [ ( 100 million ) / ( 2 billion ) ] * 100 = [ ( 100 * 10 ^ 6 ) / ( 2 * 10 ^ 9 ) ] * 100 = ( 50 / 1000 ) * 100 = 5 % so answer is ( c )"
a ) 50 % , b ) 20 % , c ) 5 % , d ) 2 % , e ) 0.2 %
c
multiply(divide(multiply(100, power(10, add(const_3, const_3))), multiply(2, power(10, 9))), const_100)
add(const_3,const_3)|power(n3,n4)|multiply(n0,#1)|power(n3,#0)|multiply(n1,#3)|divide(#4,#2)|multiply(#5,const_100)|
general
a corporation that had $ 2 billion in profits for the year paid out $ 100 million in employee benefits . approximately what percent of the profits were the employee benefits ? ( note : 1 billion = 10 ^ 9 )
explanation : ( man + boy ) ’ s 1 day ’ s work = 1 / 24 their 20 day ’ s work = 1 / 24 Γ— 20 = 5 / 6 the remaining 1 / 6 work is done by the man in 6 days therefore , the man alone will finish the work in 6 Γ— 6 days = 36 days man ’ s 1 day ’ s work = 1 / 36 therefore , boy ’ s 1 day ’ s work = 1 / 24 – 1 / 36 = 3 – 2 / ...
a ) 72 days , b ) 20 days , c ) 24 days , d ) 36 days , e ) 34 days
a
add(subtract(26, 6), multiply(26, const_2))
multiply(n2,const_2)|subtract(n2,n1)|add(#0,#1)
physics
a man and a boy complete a work together in 24 days . if for the last 6 days man alone does the work then it is completed in 26 days . how long the boy will take to complete the work alone ?
answer is ( d ) . if mathew is left with about $ 350 after all expenses each month , he would need to divide the total expense budget to london ( $ 3000 ) by 12 months to determine how much he would need to put away every single month to hit his target . $ 3000 / 12 = $ 250 .
a ) $ 240 , b ) $ 350 , c ) $ 217 , d ) $ 250 , e ) $ 340
d
divide(3000, 12)
divide(n1,n6)
general
mathew is planning a vacation trip to london next year from today for 5 days , he has calculated he would need about $ 3000 for expenses , including a round - trip plane ticket from l . a to london . he nets around $ 1500 monthly in gross income , after all bills are paid , he is left with about $ 350 each month free f...
"part filled by ( a + b + c ) in 3 minutes = 3 ( 1 / 30 + 1 / 20 + 1 / 10 ) = 11 / 20 part filled by c in 3 minutes = 3 / 10 required ratio = 3 / 10 * 20 / 11 = 6 / 11 answer : b"
a ) 6 / 15 , b ) 6 / 11 , c ) 6 / 14 , d ) 6 / 12 , e ) 6 / 13
b
multiply(divide(3, 10), divide(const_1, multiply(3, add(divide(const_1, 10), add(divide(const_1, 30), divide(const_1, 30))))))
divide(n3,n2)|divide(const_1,n0)|divide(const_1,n2)|add(#1,#1)|add(#3,#2)|multiply(n3,#4)|divide(const_1,#5)|multiply(#0,#6)|
physics
three pipes a , b and c can fill a tank from empty to full in 30 minutes , 20 minutes and 10 minutes respectively . when the tank is empty , all the three pipes are opened . a , b and c discharge chemical solutions p , q and r respectively . what is the proportion of solution r in the liquid in the tank after 3 minutes...
"solution present worth = rs . [ 1014 / ( 1 + 4 / 100 ) Β² ] = rs . ( 1014 x 25 / 26 x 25 / 26 ) = rs . 937.5 answer b"
a ) rs . 150.50 , b ) rs . 937.5 , c ) rs . 156.25 , d ) rs . 158 , e ) none
b
divide(1014, power(add(divide(4, const_100), const_1), 2))
divide(n2,const_100)|add(#0,const_1)|power(#1,n1)|divide(n0,#2)|
gain
the present worth of rs . 1014 due in 2 years at 4 % per annum compound interest is
"( a – b ) – ( c + d ) = 15 and ( c – d ) – ( a + b ) = 3 = > ( a – c ) – ( b + d ) = 15 and ( c – a ) – ( b + d ) = 3 = > ( b + d ) = ( a – c ) – 15 and ( b + d ) = ( c – a ) – 3 = > ( a – c ) – 15 = ( c – a ) – 3 = > 2 ( a – c ) = 12 = > ( a – c ) = 6 answer : a"
a ) 6 , b ) 2 , c ) 3 , d ) 4 , e ) 5
a
divide(15, 3)
divide(n0,n1)|
general
if ( a – b ) is 15 more than ( c + d ) and ( a + b ) is 3 less than ( c – d ) , then ( a – c ) is :
"j + k = 281 and so k = 281 - j j - 8 = 2 k j - 8 = 2 ( 281 - j ) 3 j = 570 j = 190 the answer is e ."
a ) 125 , b ) 135 , c ) 140 , d ) 165 , e ) 190
e
add(multiply(divide(subtract(281, 8), const_3), const_2), 8)
subtract(n1,n0)|divide(#0,const_3)|multiply(#1,const_2)|add(n0,#2)|
general
if jake loses 8 pounds , he will weigh twice as much as his sister kendra . together they now weigh 281 pounds . what is jake ’ s present weight , in pounds ?
"u dont need to go through all this what u have with u is 100 p + 200 c = $ 8.00 just divide the equation by 5 and you will get what u are looking for 20 p + 40 c = $ 1.60 therefore oa is e"
a ) $ . 90 , b ) $ 1.00 , c ) $ 1.20 , d ) $ 1.50 , e ) $ 1.60
e
multiply(divide(20, 100), 8.00)
divide(n3,n0)|multiply(n2,#0)|
gain
the total cost of 100 paper plates and 200 paper cups is $ 8.00 at the same rates what is the total cost of 20 of the plates and 40 of the cups ?
"a 42415758 4242 Γ— 9999 = 4242 Γ— ( 10000 - 1 ) = 4242 Γ— 10000 - 4242 Γ— 1 = 42420000 - 4242 = 42415758"
a ) 42415758 , b ) 42415751 , c ) 42415752 , d ) 42415753 , e ) 42415754
a
multiply(divide(4242, 9999), const_100)
divide(n0,n1)|multiply(#0,const_100)|
general
4242 Γ— 9999 = ?
"explanation : average price of a goat = rs . 90 total price of 5 goats = 5 * 90 = rs . 450 but total price of 2 cows and 5 goats = rs . 1050 total price of 2 cows is = 1050 - 450 = 600 average price of a cow = 600 / 2 = rs . 300 answer : a"
a ) 300 , b ) 320 , c ) 330 , d ) 350 , e ) 375
a
divide(subtract(1050, multiply(5, 90)), 2)
multiply(n1,n3)|subtract(n2,#0)|divide(#1,n0)|
general
2 cow ’ s and 5 goats are brought for rs . 1050 . if the average price of a goat be rs . 90 . what is the average price of a cow .
let us now solve for x : ( 4 / 5 ) x + ( 1 / 6 ) ( 49 - x ) = 24 24 x + 5 ( 49 - x ) = ( 24 ) ( 30 ) 24 x + 245 - 5 x = ( 24 ) ( 30 ) 19 x = 720 - 245 19 x = 475 x = 25 answer : e
a ) 5 , b ) 10 , c ) 15 , d ) 20 , e ) 25
e
multiply(25, 1)
multiply(n1,n3)
other
24 oz of juice p and 25 oz of juice v are mixed to make smothies x and y . the ratio of p to v in smothie x is 4 is to 1 and that in y is 1 is to 5 . how many ounces of juice p are contained in the smothie x ?
"let the required number of seconds be x more cloth , more time , ( direct proportion ) hence we can write as ( cloth ) 0.13 : 15 : : 1 : x = > 0.13 * x = 15 = > x = 15 / 0.13 = > x = 115 answer : b"
a ) 114 , b ) 115 , c ) 116 , d ) 117 , e ) 118
b
divide(15, 0.13)
divide(n1,n0)|
physics
a certain industrial loom weaves 0.13 meters of cloth every second . approximately how many seconds will it take for the loom to weave 15 meters of cloth ?
"good question . so we have a garden where all the flowers have two properties : color ( green or yellow ) and shape ( straight or curved ) . we ' re told that 1 / 8 of the garden is green , so , since all the flowers must be either green or yellow , we know that 7 / 8 are yellow . we ' re also told there is an equal p...
a ) 1 / 7 , b ) 1 / 8 , c ) 1 / 4 , d ) 3 / 4 , e ) 4 / 9
e
multiply(subtract(1, divide(1, 8)), divide(1, 2))
divide(n2,n3)|divide(n0,n1)|subtract(n2,#1)|multiply(#0,#2)|
probability
in a garden , there are yellow and green flowers which are straight and curved . if the probability of picking a green flower is 1 / 8 and picking a straight flower is 1 / 2 , then what is the probability of picking a flower which is yellow and straight
a number not to be a multiple of 10 should not have the units digit of 0 . xxx 9 options for the first digit ( from 1 to 9 inclusive ) . 8 options for the third digit ( from 1 to 9 inclusive minus the one we used for the first digit ) . 8 options for the second digit ( from 0 to 9 inclusive minus 2 digits we used for t...
a ) 576 , b ) 520 , c ) 504 , d ) 432 , e ) 348
a
multiply(multiply(multiply(3, 3), subtract(multiply(3, 3), const_1)), subtract(multiply(3, 3), const_1))
multiply(n0,n0)|subtract(#0,const_1)|multiply(#0,#1)|multiply(#2,#1)
general
how many 3 digit positive integers with distinct digits are there , which are not multiples of 10 ?
05 grass seed contains 5 % herbicide and its amount is 3 pound 20 grass seed contains 20 % herbicide and its amount is x when these two types of grass seeds are mixed , their average becomes 15 % thus we have 3 ( 1 ) + x ( 20 ) / ( x + 3 ) = 15 3 + 20 x = 15 x + 45 5 x = 42 or x = 8.4 d
a ) 3 , b ) 3.75 , c ) 4.5 , d ) 8.4 , e ) 9
d
divide(subtract(multiply(15, 3), 3), subtract(20, 15))
multiply(n0,n10)|subtract(n3,n10)|subtract(#0,n0)|divide(#2,#1)
general
3 pounds of 05 grass seed contain 1 percent herbicide . a different type of grass seed , 20 , which contains 20 percent herbicide , will be mixed with 3 pounds of 05 grass seed . how much grass seed of type 20 should be added to the 3 pounds of 05 grass seed so that the mixture contains 15 percent herbicide ?
"put n = 0 then f ( f ( 0 ) ) + f ( 0 ) = 2 ( 0 ) + 3 β‡’ β‡’ f ( 1 ) + 1 = 3 β‡’ β‡’ f ( 1 ) = 2 put n = 1 f ( f ( 1 ) ) + f ( 1 ) = 2 ( 1 ) + 3 β‡’ β‡’ f ( 2 ) + 2 = 5 β‡’ β‡’ f ( 2 ) = 3 put n = 2 f ( f ( 2 ) ) + f ( 2 ) = 2 ( 2 ) + 3 β‡’ β‡’ f ( 3 ) + 3 = 7 β‡’ β‡’ f ( 3 ) = 4 . . . . . . f ( 2012 ) = 2013 answer : c"
a ) 222 , b ) 2787 , c ) 2013 , d ) 2778 , e ) 10222
c
add(1, 2012)
add(n3,n4)|
general
if f ( f ( n ) ) + f ( n ) = 2 n + 3 and f ( 0 ) = 1 , what is the value of f ( 2012 ) ?
radius of first cylinder = r , diameter = 2 r , height = h radius of second cylinder = 2 r , diamter = 2 d and height = 2 h volume of first cylinder = pie ( r ^ 2 ) * h = 60 volume of second cylinder = pie ( 2 r ^ 2 ) 2 h put the value of pie ( r ^ 2 ) * h = 60 in the second cylinder , volume = pie ( r ^ 2 ) * 4 * 2 = ...
['a ) there is no empty capacity', 'b ) 100 gallons', 'c ) 300 gallons', 'd ) 420 gallons', 'e ) 840 gallons']
d
subtract(multiply(60, power(const_2, const_3)), 60)
power(const_2,const_3)|multiply(n0,#0)|subtract(#1,n0)
geometry
a certain barrel , which is a right circular cylinder , is filled to capacity with 60 gallons of oil . the first barrel is poured into a second barrel , also a right circular cylinder , which is empty . the second barrel is twice as tall as the first barrel and has twice the diameter of the first barrel . if all of the...
concentrated apples juice comes inside a cylinder tube since height of a tube is 15 inches , the tubes can fit only in one way now , diameter of each tube = 5 inches therefore , 4 * 2 can be put in each wooden box in 3 boxes 3 * 4 * 2 can be accommodated = 24 = a
a ) 24 . , b ) 28 . , c ) 36 . , d ) 42 . , e ) 48 .
a
subtract(divide(multiply(multiply(multiply(11, 10), 31), 3), multiply(multiply(divide(multiply(add(const_10, const_1), const_2), add(const_3, const_4)), power(2.5, const_2)), 15)), 10)
add(const_1,const_10)|add(const_3,const_4)|multiply(n2,n3)|power(n0,const_2)|multiply(n4,#2)|multiply(#0,const_2)|divide(#5,#1)|multiply(n5,#4)|multiply(#6,#3)|multiply(n1,#8)|divide(#7,#9)|subtract(#10,n3)
gain
concentrated apples juice comes inside a cylinder tube with a radius of 2.5 inches and a height of 15 inches . the tubes are packed into wooden boxes , each with dimensions of 11 inches by 10 inches by 31 inches . how many tubes of concentrated apples juice , at the most , can fit into 3 wooden boxes ?
"explanation : money collected = ( 51.84 x 100 ) paise = 5184 paise . ∴ number of members = √ ( 5184 ) = 72 . answer : c"
a ) 57 , b ) 67 , c ) 72 , d ) 87 , e ) 97
c
sqrt(multiply(51.84, const_100))
multiply(n0,const_100)|sqrt(#0)|
general
a group of students decided to collect as many paise from each member of group as is the number of members . if the total collection amounts to rs . 51.84 , the number of the member is the group is :
"given that the total purchase of two items cost 1550 . so the average purchase of one item will cost 1550 / 2 = 775 . its given as total shirt cost 250 $ less . hence total shirt cost = 775 - 125 and total trouser cost = 775 + 125 5 shirts = 650 $ = = > one shirt = 130 $ one trouser = 130 + 20 = 150 $ total trousers =...
a ) 4 , b ) 5 , c ) 6 , d ) 7 , e ) 8
c
divide(subtract(1550, multiply(5, add(20, 20))), add(add(20, 20), 20))
add(n3,n3)|add(n3,#0)|multiply(n2,#0)|subtract(n0,#2)|divide(#3,#1)|
general
john purchased some shirts and trousers for $ 1550 . he paid $ 250 less for the shirts than he did for the trousers . if he bought 5 shirts and the cost of a shirt is $ 20 less than that of a trouser , how many trousers did he buy ?
"volume = 125 = side ^ 3 i . e . side of cube = 5 new cube has dimensions 10 , 10 , and 10 as all sides are twice of teh side of first cube volume = 10 * 10 * 10 = 1000 square feet answer : option e"
a ) 24 , b ) 48 , c ) 64 , d ) 80 , e ) 1000
e
volume_cube(multiply(const_2, cube_edge_by_volume(125)))
cube_edge_by_volume(n0)|multiply(#0,const_2)|volume_cube(#1)|
geometry
a cube has a volume of 125 cubic feet . if a similar cube is twice as long , twice as wide , and twice as high , then the volume , in cubic feet of such cube is ?
"speed = 110 kmph = 110 * 5 / 18 = 31 m / s distance covered in 9 sec = 31 * 9 = 279 m answer is b"
a ) 100 m , b ) 279 m , c ) 180 m , d ) 200 m , e ) 250 m
b
multiply(divide(110, const_3_6), 9)
divide(n0,const_3_6)|multiply(n1,#0)|
physics
a car is running at a speed of 110 kmph . what distance will it cover in 9 sec ?
"total number of invalid votes = 15 % of 560000 = 15 / 100 Γ— 560000 = 8400000 / 100 = 84000 total number of valid votes 560000 – 84000 = 476000 percentage of votes polled in favour of candidate a = 65 % therefore , the number of valid votes polled in favour of candidate a = 65 % of 476000 = 65 / 100 Γ— 476000 = 30940000...
a ) 355600 , b ) 355800 , c ) 356500 , d ) 309400 , e ) 357000
d
multiply(multiply(560000, subtract(const_1, divide(15, const_100))), divide(65, const_100))
divide(n0,const_100)|divide(n1,const_100)|subtract(const_1,#1)|multiply(n2,#2)|multiply(#0,#3)|
gain
in an election , candidate a got 65 % of the total valid votes . if 15 % of the total votes were declared invalid and the total numbers of votes is 560000 , find the number of valid vote polled in favor of candidate ?
"total number of ways in which h or t can appear in 3 tosses of coin is = 2 * 2 = 4 ways for 2 h hh , thus probability is = p ( hh ) = 1 / 4 = . 25 answer : c"
a ) 0.125 , b ) 0.225 , c ) 0.25 , d ) 0.5 , e ) 0.666
c
multiply(power(divide(const_1, const_2), 2), 2)
divide(const_1,const_2)|power(#0,n0)|multiply(n0,#1)|
general
if a coin has an equal probability of landing heads up or tails up each time it is flipped , what is the probability that the coin will land heads up exactly twice in 2 consecutive flips ?
the choices give away the answer . . 36 machines take 4 hours to fill 8 standard orders . . in next eq we aredoubling the machines from 36 to 72 , but thework is not doubling ( only 1 1 / 2 times ) , = 4 * 48 / 72 * 12 / 6 = 4 ans a
a ) 4 , b ) 6 , c ) 8 , d ) 9 , e ) 12
a
divide(divide(multiply(multiply(36, 12), const_4), 72), 6)
multiply(n0,n4)|multiply(#0,const_4)|divide(#1,n3)|divide(#2,n2)
physics
in a manufacturing plant , it takes 36 machines 4 hours of continuous work to fill 6 standard orders . at this rate , how many hours of continuous work by 72 machines are required to fill 12 standard orders ?
"speed = 90 kmph = 90 * 5 / 18 = 25 m / s distance covered in 10 sec = 25 * 10 = 250 m answer is e"
a ) 100 m , b ) 150 m , c ) 180 m , d ) 200 m , e ) 250 m
e
multiply(divide(90, const_3_6), 10)
divide(n0,const_3_6)|multiply(n1,#0)|
physics
a car is running at a speed of 90 kmph . what distance will it cover in 10 sec ?
4 * 2 * 1 = 8 at one ' s place only 5 will come and at ten ' s place 4 and 7 can be placed , and at 100 th place rest of the 4 digits can come . . . so the answer is 8 answer : a
a ) 8 , b ) 13 , c ) 12 , d ) 20 , e ) 22
a
add(divide(divide(45, 3), 3), const_3)
divide(n2,n0)|divide(#0,n0)|add(#1,const_3)
general
how many 3 digit number formed by using 23 , 45 , 67 once such that number is divisible by 15 .
"minimum three digit number is 100 and maximum three digit number is 999 . the first three digit number that leaves remainder 5 when divided by 7 is 103 . 14 * 7 = 98 + 5 = 103 the second three digit number that leaves remainder 5 when divided by 7 is 110 . 15 * 7 = 105 + 5 = 110 the third three digit number that leave...
a ) 128 , b ) 142 , c ) 143 , d ) 141 , e ) 129
e
divide(subtract(subtract(multiply(const_100, const_10), const_1), add(multiply(add(const_10, const_4), 7), 5)), 7)
add(const_10,const_4)|multiply(const_10,const_100)|multiply(n1,#0)|subtract(#1,const_1)|add(n2,#2)|subtract(#3,#4)|divide(#5,n1)|
general
how many 3 digit positive integers t exist that when divided by 7 leave a remainder of 5 ?
"solution simple out of 100 10 % are male i . e 10 and 20 % are female i . e 20 , so total homeowner is 30 . now min number homeowner is 10 and max is 30 so question ask us to find maximum and 29 has maximum value among all option . so ans is 29 . ans : a"
a ) 29 , b ) 27 , c ) 25 , d ) 23 , e ) 21
a
add(multiply(multiply(divide(20, const_100), 10), multiply(divide(20, const_100), 10)), divide(subtract(100, 10), 10))
divide(n2,const_100)|subtract(n0,n1)|divide(#1,n1)|multiply(n1,#0)|multiply(#3,#3)|add(#2,#4)|
gain
in a 100 member association consisting of men and women , exactly 10 % of men and exactly 20 % women are homeowners . what is the maximum number of members who are homeowners ?
the possible number n can be written as follow : n = multiple of lcm ( 610 ) + 1 st such number n = 30 x + 1 possible values = 1 answer : b
a ) none , b ) one , c ) two , d ) three , e ) four
b
multiply(1, 1)
multiply(n0,n0)
general
how many single - digit whole numbers yield a remainder of 1 when divided by 10 and also yield a remainder of 1 when divided by 6 ?
"explanation : 10 * 16 + 36 – 26 = 170 = > 170 / 10 = 17 a )"
a ) a ) 17 , b ) b ) 18 , c ) c ) 19 , d ) d ) 22 , e ) e ) 24
a
add(16, divide(subtract(36, 26), 10))
subtract(n2,n3)|divide(#0,n0)|add(n1,#1)|
general
the average of 10 numbers is calculated as 16 . it is discovered later on that while calculating the average , one number namely 36 was wrongly read as 26 . the correct average is ?
"let the required number of days be x . less persons , more days ( indirect proportion ) more working hours per day , less days ( indirect proportion ) persons 30 : 48 : : 12 : x working hours / day 6 : 5 30 x 6 x x = 48 x 5 x 12 x = ( 48 x 5 x 12 ) / ( 30 x 6 ) x = 16 answer b"
a ) 10 , b ) 16 , c ) 13 , d ) 18 , e ) 19
b
divide(multiply(multiply(48, 12), 5), multiply(30, 6))
multiply(n0,n1)|multiply(n3,n4)|multiply(n2,#0)|divide(#2,#1)|
physics
48 persons can repair a road in 12 days , working 5 hours a day . in how many days will 30 persons , working 6 hours a day , complete the work ?
"r ^ 2 = ( - 3 - 1 ) ^ 2 + ( 4 - 1 ) ^ 2 = 16 + 9 = 25 area of circle = Ο€ r ^ 2 = 25 Ο€ answer : c"
a ) 9 Ο€ , b ) 18 Ο€ , c ) 25 Ο€ , d ) 37 Ο€ , e ) 41 Ο€
c
circle_area(sqrt(add(power(subtract(3, 1), const_2), power(add(1, 4), const_2))))
add(n1,n2)|subtract(n0,n2)|power(#1,const_2)|power(#0,const_2)|add(#2,#3)|sqrt(#4)|circle_area(#5)|
geometry
in the coordinate plane , a circle centered on point ( - 3 , 4 ) passes through point ( 1 , 1 ) . what is the area of the circle ?
"1 / x - 1 / 20 = - 1 / 24 x = 120 120 * 7 = 840 answer : d"
a ) 480 , b ) 487 , c ) 481 , d ) 840 , e ) 268
d
multiply(24, 20)
multiply(n0,n2)|
physics
a cistern has a leak which would empty the cistern in 20 minutes . a tap is turned on which admits 7 liters a minute into the cistern , and it is emptied in 24 minutes . how many liters does the cistern hold ?
"ratio = 7 k / 9 k = 7 / 9 , 14 / 18 , etc . x is multiplied by x and y is multiplied by y - - > ( 7 k * 7 k ) / ( 9 k * 9 k ) = 49 k ^ 2 / 81 k ^ 2 = 49 / 81 = 7 / 9 answer : a"
a ) 8 / 3 , b ) 3 / 8 , c ) 1 , d ) 64 / 9 , e ) it can not be determined
a
divide(multiply(8, 3), multiply(3, 8))
multiply(n0,n1)|divide(#0,#0)|
general
the ratio between x and y is 8 / 3 ; x is multiplied by x and y is multiplied by y , what is the ratio between the new values of x and y ?
"a : b = 2 : 3 b : c = 2 : 5 a : b : c = 4 : 6 : 15 4 / 25 * 100 = 16 answer : d"
a ) 11 , b ) 18 , c ) 13 , d ) 16 , e ) 12
d
multiply(divide(100, add(add(divide(2, 3), divide(5, 2)), 2)), 5)
divide(n0,n1)|divide(n3,n0)|add(#0,#1)|add(#2,n0)|divide(n4,#3)|multiply(n3,#4)|
general
a , b and c play a cricket match . the ratio of the runs scored by them in the match is a : b = 2 : 3 and b : c = 2 : 5 . if the total runs scored by all of them are 100 , the runs scored by a are ?
"this is an arithmetic progression , and we can write down a = 1 a = 1 , d = 2 d = 2 , n = 50 n = 50 . we now use the formula , so that sn = 12 n ( 2 a + ( n βˆ’ 1 ) l ) sn = 12 n ( 2 a + ( n βˆ’ 1 ) l ) s 50 = 12 Γ— 50 Γ— ( 2 Γ— 1 + ( 50 βˆ’ 1 ) Γ— 2 ) s 50 = 12 Γ— 50 Γ— ( 2 Γ— 1 + ( 50 βˆ’ 1 ) Γ— 2 ) = 25 Γ— ( 2 + 49 Γ— 2 ) = 25 Γ— ( 2...
a ) 1230 , b ) 1300 , c ) 1500 , d ) 1679 , e ) 2500
e
subtract(negate(50), multiply(subtract(3,5, 7,9), divide(subtract(3,5, 7,9), subtract(1, 3,5))))
negate(n3)|subtract(n1,n2)|subtract(n0,n1)|divide(#1,#2)|multiply(#3,#1)|subtract(#0,#4)|
general
1 , 3,5 , 7,9 , . . 50 find term of sequnce
"a palindrome is a number that reads the same forward and backward . examples of four digit palindromes are 1221 , 4334 , 2222 etc you basically get to choose the first two digits and you repeat them in opposite order . say , you choose 45 as your first two digits . the next two digits are 54 and the number is 4554 . a...
a ) 40 , b ) 55 , c ) 50 , d ) 90 , e ) 2500
b
divide(power(const_10, divide(4, const_2)), const_2)
divide(n1,const_2)|power(const_10,#0)|divide(#1,const_2)|
general
a palindrome is a number that reads the same forward and backward , such as 120 . how many odd , 4 - digit numbers are palindromes ?
"ab = ( a - 1 ) ( b - 1 ) x 20 = ( x - 1 ) ( 20 - 1 ) = 190 - - > x - 1 = 10 - - > x = 11 answer : c"
a ) 10 , b ) 12 , c ) 11 , d ) 13 , e ) 14
c
add(divide(190, subtract(20, 1)), 1)
subtract(n2,n0)|divide(n3,#0)|add(n0,#1)|
general
the operation is defined for all integers a and b by the equation ab = ( a - 1 ) ( b - 1 ) . if x 20 = 190 , what is the value of x ?
a . 4 is used once : oo * * 4 - - > ( 5 * 5 * 9 * 9 ) * 3 : 5 choices for the first digit as there are 5 odd numbers , 5 choices for the second digit for the same reason , 9 choices for one of the two * ( not - 4 digit ) , 9 choices for another * ( not - 4 digit ) , multiplied by 3 as 4 can take the place of any of the...
a ) 24300 , b ) 25700 , c ) 26500 , d ) 24400 , e ) 26300
a
multiply(multiply(multiply(multiply(subtract(multiply(4, 5), 1), 5), 5), 5), const_10)
multiply(n0,n2)|subtract(#0,n3)|multiply(n0,#1)|multiply(n0,#2)|multiply(n0,#3)|multiply(#4,const_10)
general
how many 5 digit nos are there if the 2 leftmost digits are odd and the digit 4 ca n ' t appear more than once in the number ? could someone please provide a solution using a approach other than ( 1 - x ( none ) ) approach ?
"3 ^ 8 * ( 2 ) = 13122 the answer is c"
a ) 512 , b ) 768 , c ) 13122 , d ) 2048 , e ) 4096
c
subtract(power(3, add(8, const_1)), const_1)
add(n0,const_1)|power(n1,#0)|subtract(#1,const_1)|
physics
the population of a bacteria colony doubles every day . if it was started 8 days ago with 3 bacteria and each bacteria lives for 12 days , how large is the colony today ?
"given ; 2 dog = 3 cat ; or , dog / cat = 3 / 2 ; let cat ' s 1 leap = 2 meter and dogs 1 leap = 3 meter . then , ratio of speed of cat and dog = 2 * 6 / 3 * 5 = 4 : 5 ' ' answer : 4 : 5 ;"
a ) 4 : 5 , b ) 2 : 3 , c ) 4 : 1 , d ) 1 : 9 , e ) 3 : 2
a
divide(multiply(divide(2, 3), 6), 5)
divide(n2,n3)|multiply(n0,#0)|divide(#1,n1)|
other
a cat leaps 6 leaps for every 5 leaps of a dog , but 2 leaps of the dog are equal to 3 leaps of the cat . what is the ratio of the speed of the cat to that of the dog ?
"area of the shaded portion = 1 ⁄ 4 Γ— Ο€ Γ— ( 18 ) 2 = 254 m 2 answer c"
a ) 154 cm 2 , b ) 308 m 2 , c ) 254 m 2 , d ) 260 m 2 , e ) none of these
c
divide(multiply(power(18, const_2), const_pi), const_4)
power(n2,const_2)|multiply(#0,const_pi)|divide(#1,const_4)|
geometry
a horse is tethered to one corner of a rectangular grassy field 36 m by 20 m with a rope 18 m long . over how much area of the field can it graze ?
a . m . of 75 numbers = 35 sum of 75 numbers = 75 * 35 = 2625 total increase = 75 * 5 = 375 increased sum = 2625 + 375 = 3000 increased average = 3000 / 75 = 40 . answer : b
a ) 87 , b ) 40 , c ) 37 , d ) 28 , e ) 26
b
add(35, 5)
add(n0,n1)
general
if the arithmetic mean of seventy 5 numbers is calculated , it is 35 . if each number is increased by 5 , then mean of new number is ?
answer x = 13200 - 8873 = 4327 option : b
a ) 3327 , b ) 4327 , c ) 3337 , d ) 2337 , e ) none of these
b
subtract(13200, 8873)
subtract(n1,n0)
general
8873 + x = 13200 , then x is ?
"the problem with your solution is that we do n ' t choose 1 shoe from 16 , but rather choose the needed one after we just took one and need the second to be the pair of it . so , the probability would simply be : 1 / 1 * 1 / 15 ( as after taking one at random there are 15 shoes left and only one is the pair of the fir...
a ) 1 / 190 , b ) 1 / 20 , c ) 1 / 19 , d ) 1 / 10 , e ) 1 / 15
e
divide(const_1, subtract(16, const_1))
subtract(n1,const_1)|divide(const_1,#0)|
general
a box contains 8 pairs of shoes ( 16 shoes in total ) . if two shoes are selected at random , what it is the probability that they are matching shoes ?
"cost + profit = sales cost + ( 140 / 100 ) cost = 60 cost = 25 profit = 60 - 25 = 35 answer ( d )"
a ) 32 , b ) 33 , c ) 39 , d ) 35 , e ) 42
d
subtract(60, divide(60, add(const_1, divide(140, const_100))))
divide(n1,const_100)|add(#0,const_1)|divide(n0,#1)|subtract(n0,#2)|
gain
sales price is $ 60 , gross profit is 140 % of cost , what is the value of gross profit ?
the table you made does n ' t make sense to me . all three meet at the same point means the distance they cover is the same . we know their rates are 30 , 40 and 60 . say the time taken by b is t hrs . then a takes 6 + t hrs . and we need to find the time taken by k . distance covered by a = distance covered by b 30 * ...
a ) 3 , b ) 4.5 , c ) 4 , d ) d ) 12 , e ) e ) 5
d
divide(multiply(30, add(6, divide(multiply(30, 6), subtract(40, 30)))), 60)
multiply(n0,n3)|subtract(n1,n0)|divide(#0,#1)|add(n3,#2)|multiply(n0,#3)|divide(#4,n2)
physics
a , b , k start from the same place and travel in the same direction at speeds of 30 km / hr , 40 km / hr , 60 km / hr respectively . b starts 6 hours after a . if b and k overtake a at the same instant , how many hours after a did k start ?
let the number of boys = x , number of girls = y 40 y / 100 = 120 y = 300 120 = 2 / 3 * 20 x / 100 = 2 x / 15 x = 900 total = x + y = 300 + 900 = 1200 answer : a
a ) 1200 , b ) 380 , c ) 3800 , d ) 2180 , e ) 3180
a
add(divide(120, multiply(divide(subtract(const_100, 80), const_100), divide(2, 3))), divide(120, divide(40, const_100)))
divide(n3,n4)|divide(n1,const_100)|subtract(const_100,n0)|divide(#2,const_100)|divide(n2,#1)|multiply(#3,#0)|divide(n2,#5)|add(#6,#4)
general
in an exam 80 % of the boys and 40 % of the girls passed . the number of girls who passed is 120 , which is 2 / 3 rd of the number of boys who failed . what is the total number of students who appeared for the exam ?
"explanation : let the number be 4 + 1 / 2 [ 1 / 3 ( a / 5 ) ] = a / 15 = > 4 = a / 30 = > a = 120 answer : d"
a ) 32 , b ) 81 , c ) 60 , d ) 120 , e ) 11
d
divide(4, divide(divide(const_1, multiply(4, add(const_2, 4))), const_2))
add(const_2,n0)|multiply(#0,n0)|divide(const_1,#1)|divide(#2,const_2)|divide(n0,#3)|
general
when 4 is added to half of one - third of one - fifth of a number , the result is one - fifteenth of the number . find the number ?
"let total number of mice = m number of white mice = 2 / 3 m number of brown mice = 1 / 3 m = 15 = > m = 45 answer a"
a ) 45 , b ) 33 , c ) 26 , d ) 21 , e ) 10
a
subtract(divide(15, divide(2, 3)), 15)
divide(n0,n1)|divide(n2,#0)|subtract(#1,n2)|
general
a certain lab experiments with white and brown mice only . in one experiment , 2 / 3 of the mice are white . if there are 15 brown mice in the experiment , how many mice in total are in the experiment ?
"original sp = x cost = c current selling price = . 8 x ( 20 % discount ) . 8 x = 1.3 c ( 30 % profit ) x = 1.3 / . 8 * c x = 13 / 8 c original selling price is 1.625 c which is 62.5 % profit answer d"
a ) 20 % , b ) 40 % , c ) 50 % , d ) 62.5 % , e ) 75 %
d
subtract(const_100, subtract(subtract(const_100, 20), 30))
subtract(const_100,n0)|subtract(#0,n1)|subtract(const_100,#1)|
gain
a merchant sells an item at a 20 % discount , but still makes a gross profit of 30 percent of the cost . what percent of the cost would the gross profit on the item have been if it had been sold without the discount ?
"a ' s rate is 1 / 42 and b ' s rate is 1 / 7 . the combined rate is 1 / 42 + 1 / 7 = 1 / 6 the pipes will fill the tank in 6 minutes . the answer is d ."
a ) 3 , b ) 4 , c ) 5 , d ) 6 , e ) 7
d
inverse(add(divide(const_1, 42), divide(6, 42)))
divide(const_1,n0)|divide(n1,n0)|add(#0,#1)|inverse(#2)|
physics
pipe a fills a tank in 42 minutes . pipe b can fill the same tank 6 times as fast as pipe a . if both the pipes are kept open when the tank is empty , how many minutes will it take to fill the tank ?
"the number of grams of liquid x is 1.5 ( 200 ) / 100 + 6.5 ( 800 ) / 100 = 3 + 52 = 55 grams . 55 / 1000 = 5.5 % the answer is c ."
a ) 4.5 % , b ) 5.0 % , c ) 5.5 % , d ) 5.8 % , e ) 6.0 %
c
multiply(divide(add(const_1, divide(multiply(6.5, 800), const_100)), const_1000), const_100)
multiply(n1,n3)|divide(#0,const_100)|add(#1,const_1)|divide(#2,const_1000)|multiply(#3,const_100)|
gain
by weight , liquid x makes up 1.5 percent of solution p and 6.5 percent of solution q . if 200 grams of solution p are mixed with 800 grams of solution q , then liquid x accounts for what percent of the weight of the resulting solution ?
"900 * 15 = 1100 * x x = 12.27 . answer : e"
a ) 12.88 , b ) 12.6 , c ) 12.55 , d ) 12.21 , e ) 12.27
e
divide(multiply(15, 900), add(900, 200))
add(n0,n2)|multiply(n0,n1)|divide(#1,#0)|
physics
900 men have provisions for 15 days . if 200 more men join them , for how many days will the provisions last now ?
points to remember - 1 . if oneadd / subtractthe same amont from every term in a set , sd does n ' t change . 2 . if onemultiply / divideevery term by the same number in a set , sd changes by same number . hence the answer to the above question is b
a ) a ) 1 , b ) b ) 2 , c ) c ) 4 , d ) d ) 8 , e ) e ) 16
b
multiply(2, 1)
multiply(n4,n5)
general
set a { 3 , 3,3 , 4,5 , 5,5 } has a standard deviation of 1 . what will the standard deviation be if every number in the set is multiplied by 2 ?
total transaction in two days = 4 - 2 = 2 feet in 20 days it will climb 20 feet on the 21 st day , the snail will climb 4 feet , thus reaching the top therefore , total no of days required = 21 e
a ) 12 , b ) 16 , c ) 17 , d ) 20 , e ) 21
e
subtract(24, 4)
subtract(n0,n1)
physics
a snail , climbing a 24 feet high wall , climbs up 4 feet on the first day but slides down 2 feet on the second . it climbs 4 feet on the third day and slides down again 2 feet on the fourth day . if this pattern continues , how many days will it take the snail to reach the top of the wall ?
"we have the ratio of a ’ s speed and b ’ s speed . this means , we know how much distance a covers compared with b in the same time . this is what the beginning of the race will look like : ( start ) a _________ b ______________________________ if a covers 25 meters , b covers 18 meters in that time . so if the race i...
a ) 1 / 18 , b ) 7 / 18 , c ) 7 / 25 , d ) 3 / 25 , e ) 1 / 25
c
divide(subtract(25, 18), 25)
subtract(n0,n1)|divide(#0,n0)|
general
a ’ s speed is 25 / 18 times that of b . if a and b run a race , what part of the length of the race should a give b as a head start , so that the race ends in a dead heat ?
let the incorrect cost price be c 1 and let the original cost price be c 2 . marked price of book is rs . 30 . it is 20 % more than c 1 . therefore , ( 120 / 100 ) x c 1 = 30 or c 1 = 25 . c 1 is more than c 2 margin of 25 % . or c 1 = ( 125 / 100 ) c 2 therefore , c 2 = ( 100 / 125 ) x 25 = rs 20 answer : d
a ) rs . 30 , b ) rs . 25 , c ) rs . 45 , d ) rs . 20 , e ) rs . 10
d
divide(divide(30, add(const_1, divide(20, const_100))), add(const_1, divide(25, const_100)))
divide(n0,const_100)|divide(n1,const_100)|add(#0,const_1)|add(#1,const_1)|divide(n2,#2)|divide(#4,#3)
gain
the marked price of a book is 20 % more than the cost price . after the book is sold , the vendor realizes that he had wrongly raised the cost price by a margin of 25 % . if the marked price of the book is rs . 30 , what is the original cost price of the book ?
"the numbers are ( 18 x 11 ) and ( 18 x 15 ) . larger number = ( 18 x 15 ) = 270 . answer : a"
a ) 270 , b ) 300 , c ) 299 , d ) 322 , e ) 345
a
multiply(18, 15)
multiply(n0,n2)|
other
the h . c . f . of two numbers is 18 and the other two factors of their l . c . m . are 11 and 15 . the larger of the two numbers is :
"b / c = 1 / 3 c - b = 20 . . . . . . . . . > b = c - 20 ( c - 20 ) / c = 1 / 3 testing answers . clearly eliminate abce put c = 30 . . . . . . . . . > ( 30 - 20 ) / 30 = 10 / 30 = 1 / 3 answer : d"
a ) 100 , b ) 120 , c ) 140 , d ) 30 , e ) 150
d
multiply(divide(20, subtract(3, 1)), 3)
subtract(n1,n0)|divide(n2,#0)|multiply(n1,#1)|
other
the ratio of buses to cars on river road is 1 to 3 . if there are 20 fewer buses than cars on river road , how many cars are on river road ?
"speed upstream = 7.5 kmph speed downstream = 12.5 kmph total time taken = 105 / 7.5 + 105 / 12.5 = 22.4 hours answer is b"
a ) 23.4 hours , b ) 22.4 hours , c ) 21.4 hours , d ) 20.4 hours , e ) 19.4 hours
b
add(multiply(add(add(10, 2.5), subtract(10, 2.5)), 105), multiply(subtract(add(divide(105, add(10, 2.5)), divide(105, subtract(10, 2.5))), add(add(10, 2.5), subtract(10, 2.5))), const_60))
add(n0,n1)|subtract(n0,n1)|add(#0,#1)|divide(n2,#0)|divide(n2,#1)|add(#3,#4)|multiply(n2,#2)|subtract(#5,#2)|multiply(#7,const_60)|add(#6,#8)|
physics
speed of a boat in standing water is 10 kmph and speed of the stream is 2.5 kmph . a man can rows to a place at a distance of 105 km and comes back to the starting point . the total time taken by him is ?
"explanation : let the number of 20 paise coins be x . then the no of 25 paise coins = ( 324 - x ) . 0.20 * ( x ) + 0.25 ( 324 - x ) = 71 = > x = 200 . . answer : d ) 200"
a ) 238 , b ) 277 , c ) 278 , d ) 200 , e ) 288
d
divide(subtract(multiply(324, 25), multiply(71, const_100)), subtract(25, 20))
multiply(n0,n2)|multiply(n3,const_100)|subtract(n2,n1)|subtract(#0,#1)|divide(#3,#2)|
general
the total of 324 of 20 paise and 25 paise make a sum of rs . 71 . the no of 20 paise coins is
population in 2 years = 40000 ( 1 - 5 / 100 ) ^ 2 = 40000 * 19 * 19 / 20 * 20 = 36100 answer is c
a ) 24560 , b ) 26450 , c ) 36100 , d ) 38920 , e ) 45200
c
multiply(power(divide(subtract(const_100, 5), const_100), 2), 40000)
subtract(const_100,n0)|divide(#0,const_100)|power(#1,n2)|multiply(n1,#2)
gain
if annual decrease in the population of a town is 5 % and the present number of people is 40000 what will the population be in 2 years ?
take the initial price before the gratuity is 100 the gratuity is calculated on the final price , so as we assumed the final bill before adding gratuity is 100 so gratuity is 15 % of 100 is 15 so the total price of meals is 115 so the given amount i . e 206 is for 115 then we have to calculate for 100 for 115 206 for 1...
a ) $ 11.73 , b ) $ 12.48 , c ) $ 13.80 , d ) $ 14.00 , e ) $ 15.87
b
multiply(multiply(divide(206, add(const_100, 15)), const_100), divide(const_1, 15))
add(n0,const_100)|divide(const_1,n0)|divide(n1,#0)|multiply(#2,const_100)|multiply(#1,#3)
general
the price of lunch for 15 people was $ 206.00 , including a 15 percent gratuity for service . what was the average price per person , excluding the gratuity ?
"son ' s 1 day work = 1 / 3 - 1 / 5 = 2 / 15 son alone can do the work in 15 / 2 days = 7 1 / 2 days answer is c"
a ) 5 , b ) 5 1 / 2 , c ) 7 1 / 2 , d ) 6 , e ) 9 1 / 2
c
divide(multiply(5, 3), subtract(5, 3))
multiply(n0,n1)|subtract(n0,n1)|divide(#0,#1)|
physics
a man can do a piece of work in 5 days , but with the help of his son , he can finish it in 3 days . in what time can the son do it alone ?
"t 1 = 600 / 60 = 10 hours t 2 = 120 / 40 = 3 hours t = t 1 + t 2 = 13 hours avg speed = total distance / t = 720 / 13 = 55 mph = b"
a ) 42 , b ) 55 , c ) 50 , d ) 54 , e ) 56
b
divide(add(600, 120), add(divide(600, 60), divide(120, 40)))
add(n0,n2)|divide(n0,n1)|divide(n2,n3)|add(#1,#2)|divide(#0,#3)|
physics
joe drives 600 miles at 60 miles per hour , and then he drives the next 120 miles at 40 miles per hour . what is his average speed for the entire trip in miles per hour ?
"for retail price = $ 20 first maximum discounted price = 20 - 30 % of 20 = 20 - 6 = 14 price after additional discount of 20 % = 14 - 20 % of 14 = 14 - 2.8 = 11.2 answer : option b"
a ) $ 10.00 , b ) $ 11.20 , c ) $ 14.40 , d ) $ 16.00 , e ) $ 18.00
b
multiply(divide(subtract(const_100, 20), const_100), multiply(divide(subtract(const_100, 30), const_100), 20.00))
subtract(const_100,n2)|subtract(const_100,n1)|divide(#0,const_100)|divide(#1,const_100)|multiply(n3,#3)|multiply(#2,#4)|
gain
a pet store regularly sells pet food at a discount of 10 percent to 30 percent from the manufacturer ’ s suggested retail price . if during a sale , the store discounts an additional 20 percent from the discount price , what would be the lowest possible price of a container of pet food that had a manufacturer ’ s sugge...
"the amount of chemical x in the solution is 20 + 0.15 ( 80 ) = 32 liters . 32 liters / 100 liters = 32 % the answer is b ."
a ) 30 % , b ) 32 % , c ) 35 % , d ) 38 % , e ) 40 %
b
add(20, multiply(divide(15, const_100), 80))
divide(n2,const_100)|multiply(n1,#0)|add(n0,#1)|
general
if 20 liters of chemical x are added to 80 liters of a mixture that is 15 % chemical x and 85 % chemical y , then what percentage of the resulting mixture is chemical x ?
"{ total } = { even } + { multiple of 5 } - { both } + { nether } . since { neither } = 0 ( allare even or multiple of 5 ) then : 12 = 4 + 10 - { both } + 0 ; { both } = 2 ( so 1 number is both even and multiple of 5 , so it must be a multiple of 10 ) . answer : c ."
a ) 0 , b ) 1 , c ) 2 , d ) 3 , e ) 5
c
subtract(12, 10)
subtract(n0,n3)|
general
a set consists of 12 numbers , all are even or multiple of 5 . if 4 numbers are even and 10 numbers are multiple of 5 , how many numbers is multiple of 10 ?
"let the amount paid to x per week = x and the amount paid to y per week = y then x + y = 506 but x = 120 % of y = 120 y / 100 = 12 y / 10 ∴ 12 y / 10 + y = 506 β‡’ y [ 12 / 10 + 1 ] = 506 β‡’ 22 y / 10 = 506 β‡’ 22 y = 5060 β‡’ y = 5060 / 22 = 460 / 2 = rs . 230 e"
a ) s . 250 , b ) s . 280 , c ) s . 290 , d ) s . 299 , e ) s . 230
e
divide(multiply(506, multiply(add(const_1, const_4), const_2)), multiply(add(multiply(add(const_1, const_4), const_2), const_1), const_2))
add(const_1,const_4)|multiply(#0,const_2)|add(#1,const_1)|multiply(n0,#1)|multiply(#2,const_2)|divide(#3,#4)|
general
two employees x and y are paid a total of rs . 506 per week by their employer . if x is paid 120 percent of the sum paid to y , how much is y paid per week ?
"when dealing with ' symbolism ' questions , it often helps to ' play with ' the symbol for a few moments before you attempt to answer the question that ' s asked . by understanding how the symbol ' works ' , you should be able to do the latter calculations faster . here , we ' re told that k * is the product of all th...
a ) 5 , b ) 5 / 4 , c ) 4 / 5 , d ) 1 / 4 , e ) 1 / 5
b
divide(divide(divide(1, const_3), const_3), add(1, const_4))
add(n0,const_4)|divide(n2,const_3)|divide(#1,const_3)|divide(#2,#0)|
general
for any integer k greater than 1 , the symbol k * denotes the product of all the fractions of the form 1 / t , where t is an integer between 1 and k , inclusive . what is the value of 3 * / 4 * ?
"let x % of 25 = 2.125 . then , ( x / 100 ) * 25 = 2.125 x = ( 2.125 * 4 ) = 8.5 . answer is e ."
a ) 4.5 , b ) 6.5 , c ) 2.5 , d ) 7.5 , e ) 8.5
e
divide(20125, divide(25, const_100))
divide(n0,const_100)|divide(n1,#0)|
gain
find the missing figures : ? % of 25 = 20125
"solution age of the 15 th student = [ 15 x 15 - ( 14 x 4 + 16 x 10 ) ] = ( 225 - 216 ) = 9 years . answer e"
a ) 9 years , b ) 11 years , c ) 14 years , d ) 21 years , e ) 9 years
e
subtract(multiply(15, 15), add(multiply(4, 14), multiply(10, 16)))
multiply(n0,n0)|multiply(n2,n3)|multiply(n4,n5)|add(#1,#2)|subtract(#0,#3)|
general
the average age of 15 students of a class is 15 years . out of these , the average age of 4 students is 14 years and that of the other 10 students is 16 years . the age of the 15 th student is
"a : b : c = 100 : 65 : 40 = 20 : 13 : 8 8 - - - - 40 41 - - - - ? = > rs . 205 answer : d"
a ) 288 , b ) 262 , c ) 72 , d ) 205 , e ) 267
d
multiply(divide(40, 40), add(add(const_100, 65), 40))
add(n0,const_100)|divide(n2,n1)|add(n1,#0)|multiply(#2,#1)|
general
a certain sum of money is divided among a , b and c so that for each rs . a has , b has 65 paisa and c 40 paisa . if c ' s share is rs . 40 , find the sum of money ?
each train is averaging 40 km / hour in an opposite direction . after 1 hour , they will be 80 km apart , and after 1.25 hours , they will be 100 km apart . ( 80 * 1.25 = 100 ) answer is d
a ) 2 hours , b ) 2.25 hours , c ) 1 hour , d ) 1.25 hours , e ) not enough information
d
divide(divide(100, const_2), 40)
divide(n2,const_2)|divide(#0,n0)
general
two trains leave the train station at the same time . one train , on the blue line , heads east - while the other , on the red line , heads west . if the train on the blue line averages 40 km / hr and the other train averages 40 km / hr - how long will it take for the trains to be 100 km apart ?
"suppose enrollment in 1991 was 100 then enrollment in 1992 will be 130 and enrollment in 1993 will be 130 * 1.1 = 143 increase in 1993 from 1991 = 143 - 100 = 43 answer : a"
a ) 43 % , b ) 45 % , c ) 50 % , d ) 35 % , e ) 38 %
a
subtract(multiply(add(const_100, 30), divide(add(const_100, 10), const_100)), const_100)
add(n1,const_100)|add(n4,const_100)|divide(#1,const_100)|multiply(#0,#2)|subtract(#3,const_100)|
gain
a certain college ' s enrollment at the beginning of 1992 was 30 percent greater than it was at the beginning of 1991 , and its enrollment at the beginning of 1993 was 10 percent greater than it was at the beginning of 1992 . the college ' s enrollment at the beginning of 1993 was what percent greater than its enrollme...
"required length = hcf of 1050 cm , 1455 cm , 50 cm = 5 cm answer is e"
a ) 20 cm , b ) 24 cm , c ) 30 cm , d ) 10 cm , e ) 5 cm
e
multiply(55, const_4)
multiply(n3,const_4)|
physics
what is the greatest possible length which can be used to measure exactly the lengths 10 m 50 cm , 14 m 55 cm and 50 cm ?
"generally * p or p ! will be divisible by all numbers from 1 to p . therefore , * 9 would be divisible by all numbers from 1 to 9 . = > * 9 + 3 would give me a number which is a multiple of 3 and therefore divisible ( since * 9 is divisible by 3 ) in fact adding anyprimenumber between 1 to 9 to * 9 will definitely be ...
a ) none , b ) one , c ) two , d ) three , e ) four
a
subtract(subtract(add(multiply(multiply(multiply(9, 3), const_2), const_4), 9), add(multiply(multiply(multiply(9, 3), const_2), const_4), 3)), 1)
multiply(n1,n2)|multiply(#0,const_2)|multiply(#1,const_4)|add(n1,#2)|add(n2,#2)|subtract(#3,#4)|subtract(#5,n0)|
general
for any integer p , * p is equal to the product of all the integers between 1 and p , inclusive . how many prime numbers are there between * 9 + 3 and * 9 + 9 , inclusive ?
"explanation : a runs 1000 meters while b runs 880 meters and c runs 800 meters . therefore , b runs 880 meters while c runs 800 meters . so , the number of meters that c runs when b runs 1000 meters = ( 1000 x 800 ) / 880 = 909.09 meters thus , b can give c ( 1000 - 909.09 ) = 90.09 meters start answer : a"
a ) 90.09 meters , b ) 111.12 meters , c ) 112.12 meters , d ) 113.12 meters , e ) none of these
a
subtract(multiply(const_100, const_10), divide(multiply(multiply(const_100, const_10), subtract(multiply(const_100, const_10), 200)), subtract(multiply(const_100, const_10), 120)))
multiply(const_10,const_100)|subtract(#0,n1)|subtract(#0,n0)|multiply(#0,#1)|divide(#3,#2)|subtract(#0,#4)|
physics
a can give b 120 meters start and c 200 meters start in a kilometer race . how much start can b give c in a kilometer race ?
"1 mile = 1760 yards 40 miles = 40 * 1760 = 70400 yards answer is e"
a ) 25630 yards , b ) 35200 yards , c ) 39520 yards , d ) 42560 yards , e ) 70400 yards
e
divide(multiply(multiply(multiply(add(const_3, const_2), const_2), multiply(add(const_3, const_2), const_2)), 40), multiply(multiply(add(const_3, const_2), const_2), multiply(add(const_3, const_2), const_2)))
add(const_2,const_3)|multiply(#0,const_2)|multiply(#1,#1)|multiply(n0,#2)|divide(#3,#2)|
physics
convert 40 miles into yards ?
"let the price be 100 . the price becomes 130 after a 30 % markup . now a discount of 20 % on 130 . profit = 104 - 100 4 % answer e"
a ) 8 % , b ) 10 % , c ) 21 % , d ) 15 % , e ) 4 %
e
subtract(subtract(add(30, const_100), divide(multiply(add(30, const_100), 20), const_100)), const_100)
add(n0,const_100)|multiply(n1,#0)|divide(#1,const_100)|subtract(#0,#2)|subtract(#3,const_100)|
gain
a merchant marks his goods up by 30 % and then offers a discount of 20 % on the marked price . what % profit does the merchant make after the discount ?
cp = sp * ( 100 / ( 100 + profit % ) ) = 8300 ( 100 / 142 ) = rs . 5845 . answer : b
a ) rs . 5725 , b ) rs . 5845 , c ) rs . 6275 , d ) rs . 6725 , e ) none of these
b
divide(8300, add(const_1, divide(42, const_100)))
divide(n0,const_100)|add(#0,const_1)|divide(n1,#1)
gain
the owner of a furniture shop charges his customer 42 % more than the cost price . if a customer paid rs . 8300 for a computer table , then what was the cost price of the computer table ?
"sp = 1.18 * 320 = 378 answer : d"
a ) 198 , b ) 200 , c ) 204 , d ) 378 , e ) 347
d
add(320, multiply(320, divide(18, const_100)))
divide(n1,const_100)|multiply(n0,#0)|add(n0,#1)|
gain
an article with cost price of 320 is sold at 18 % profit . what is the selling price ?
"if 5 / 7 of tub ' s content is drained 2 / 7 th of tub still needs to be drained . if it takes 5 minutes to drain 5 / 7 th of tub it takes 5 * ( 7 / 5 ) minutes to drain the entire tub and 5 * ( 7 / 5 ) * ( 2 / 7 ) min to drain 2 / 7 th of the tub which is 2 minutes so answer is d"
a ) 48 seconds , b ) 1 minute , 12 seconds , c ) 1 minute , 50 seconds , d ) 2 minutes , 00 seconds , e ) 4 minutes , 12 seconds
d
add(subtract(const_1, divide(5, 7)), divide(5, 7))
divide(n1,n2)|subtract(const_1,#0)|add(#0,#1)|
general
if it takes a tub 5 minutes to drain 5 / 7 of its content , how much more time will it take for the tub to be empty ?
"if 20 books constitute 1 / 3 rd of the total , then 2 / 3 rd of the total = 40 books amount received for sold books = 40 * 3.25 = $ 130 answer : a"
a ) $ 130 , b ) $ 185 , c ) $ 175 , d ) $ 165 , e ) $ 155
a
multiply(2, divide(multiply(20, divide(2, 3)), divide(const_1, 3)))
divide(n0,n1)|divide(const_1,n1)|multiply(n3,#0)|divide(#2,#1)|multiply(n0,#3)|
general
a collection of books went on sale , and 2 / 3 of them were sold for $ 3.25 each . if none of the 20 remaining books were sold , what was the total amount received for the books that were sold ?
"here , drawing a quick sketch of the ' actions ' described will end in a diagonal line that you canbuilda right triangle around : the right triangle will have a base of 120 and a height of 160 . the hidden pattern here is a 3 / 4 / 5 right triangle ( the 120 lines up with the ' 3 ' and the 160 lines up with the ' 4 ' ...
a ) 180 , b ) 200 , c ) 220 , d ) 240 , e ) 250
b
sqrt(add(power(add(multiply(30, 3), multiply(10, 3)), const_2), power(multiply(30, 3), const_2)))
multiply(n2,n3)|multiply(n1,n3)|add(#0,#1)|power(#0,const_2)|power(#2,const_2)|add(#4,#3)|sqrt(#5)|
physics
there are two cars . one is 160 miles north of the other . simultaneously , the car to the north is driven westward at 10 miles per hour and the other car is driven eastward at 30 miles per hour . how many miles apart are the cars after 3 hours ?
"number of runs made by running = 120 - ( 5 x 4 + 8 x 6 ) = 120 - ( 68 ) = 52 now , we need to calculate 60 is what percent of 120 . = > 52 / 120 * 100 = 43.33 % a"
a ) 43.33 % , b ) 50 % , c ) 65 % , d ) 70 % , e ) 75 %
a
multiply(divide(subtract(120, add(multiply(5, 8), multiply(8, 5))), 120), const_100)
multiply(n1,n2)|multiply(n1,n2)|add(#0,#1)|subtract(n0,#2)|divide(#3,n0)|multiply(#4,const_100)|
general
a batsman scored 120 runs which included 5 boundaries and 8 sixes . what % of his total score did he make by running between the wickets
"xz = y 2 10 ( 0.48 z ) = 10 ( 2 x 0.70 ) = 101.40 0.48 z = 1.40 z = 140 = 35 = 2.9 ( approx . ) 48 12 answer : c"
a ) 2.2 , b ) 8.2 , c ) 2.9 , d ) 2.1 , e ) 2.6
c
divide(multiply(subtract(100.70, const_100), const_2), subtract(100.48, const_100))
subtract(n1,const_100)|subtract(n0,const_100)|multiply(#0,const_2)|divide(#2,#1)|
general
given that 100.48 = x , 100.70 = y and xz = y 2 , then the value of z is close to :
"9 pages from 1 to 9 will require 9 digits . 90 pages from 10 to 99 will require 90 * 2 = 180 digits . 250 - ( 90 + 9 ) = 151 pages will require 151 * 3 = 453 digits . the total number of digits is 9 + 180 + 453 = 642 . the answer is b ."
a ) 756 , b ) 642 , c ) 492 , d ) 372 , e ) 250
b
add(add(subtract(const_10, const_1), multiply(multiply(subtract(const_10, const_1), const_10), const_2)), multiply(add(subtract(250, const_100), const_1), const_3))
subtract(const_10,const_1)|subtract(n0,const_100)|add(#1,const_1)|multiply(#0,const_10)|multiply(#3,const_2)|multiply(#2,const_3)|add(#4,#0)|add(#6,#5)|
general
how many digits are required to number a book containing 250 pages ?
for sad : saddaily = $ 34.95 / day sadmile = $ 0.23 / mile for ral : raldaily = $ 25.00 / day ralmile = $ 1.31 / mile we want the raltotal = sadtotal , so we get ( raldaily * days ) + ( ralmile * miles ) = ( saddaily * days ) + ( sadmile * miles ) = > miles = ( ( saddaily * days ) - ( raldaily * days ) ) / ( ralmiles -...
a ) 25.7 miles , b ) 26.2 miles , c ) 27.6 miles , d ) 27.9 miles , e ) 29.9 miles
c
divide(subtract(multiply(34.95, 3), multiply(25, 3)), subtract(1.31, 0.23))
multiply(n0,n4)|multiply(n2,n4)|subtract(n3,n1)|subtract(#0,#1)|divide(#3,#2)
general
at scratch and dents rent - a - car , it costs $ 34.95 a day plus $ 0.23 per mile to rent a car . at rent - a - lemon , the charge is $ 25.00 a day plus $ 1.31 per mile . if you need to rent a car for 3 days , how many miles ( to nearest tenth ) must you drive for a car from both agencies to cost the same amount ?
"let the leak can empty the full tank in x hours 1 / 9 - 1 / x = 1 / 12 = > 1 / x = 1 / 9 - 1 / 12 = 1 / 12 = > x = 36 . answer : a"
a ) 36 , b ) 88 , c ) 18 , d ) 26 , e ) 12
a
divide(multiply(12, 9), subtract(12, 9))
multiply(n0,n1)|subtract(n1,n0)|divide(#0,#1)|
physics
pipe a can fill a tank in 9 hours . due to a leak at the bottom , it takes 12 hours for the pipe a to fill the tank . in what time can the leak alone empty the full tank ?
every prime number greater than 3 can be written 6 n + 1 or 6 n - 1 . if p = 6 n + 1 , then p ^ 2 + 16 = 36 n ^ 2 + 12 n + 1 + 16 = 36 n ^ 2 + 12 n + 12 + 5 if p = 6 n - 1 , then p ^ 2 + 16 = 36 n ^ 2 - 12 n + 1 + 16 = 36 n ^ 2 - 12 n + 12 + 5 when divided by 12 , it must leave a remainder of 5 . the answer is a .
a ) 5 , b ) 1 , c ) 0 , d ) 8 , e ) 7
a
subtract(add(16, power(add(const_1, const_4), const_2)), multiply(12, 3))
add(const_1,const_4)|multiply(n0,n3)|power(#0,const_2)|add(n2,#2)|subtract(#3,#1)
general
if p is a prime number greater than 3 , find the remainder when p ^ 2 + 16 is divided by 12 .
"first day - 18 miles with 3 miles per hours then total - 6 hours for that day second day - 4 miles per hour and 5 hours - 20 miles third day - 7 miles per hour and 2 hours - 14 miles total 18 + 20 + 14 = 52 answer : option b ."
a ) 24 , b ) 52 , c ) 58 , d ) 60 , e ) 62
b
add(add(18, multiply(7, const_4)), multiply(7, 2))
multiply(n3,const_4)|multiply(n3,n4)|add(n1,#0)|add(#2,#1)|
physics
a hiker walked for 3 days . she walked 18 miles on the first day , walking 3 miles per hour . on the second day she walked for one less hour but she walked one mile per hour , faster than on the first day . on the third day she walked at 7 miles per hour for 2 hours . how many miles in total did she walk ?
"f ( - 1 ) = 3 ( - 1 ) ^ 4 - 4 ( - 1 ) ^ 3 - 2 ( - 1 ) ^ 2 + 5 ( - 1 ) = 3 + 4 - 2 - 5 = 0 the answer is c ."
a ) - 4 , b ) - 2 , c ) 0 , d ) 2 , e ) 4
c
add(subtract(subtract(multiply(3, power(negate(1), 4)), multiply(4, power(negate(1), 3))), multiply(3, power(negate(1), 2))), multiply(5, negate(1)))
negate(n7)|multiply(n6,#0)|power(#0,n1)|power(#0,n0)|power(#0,n5)|multiply(n0,#2)|multiply(n1,#3)|multiply(n0,#4)|subtract(#5,#6)|subtract(#8,#7)|add(#1,#9)|
general
if f ( x ) = 3 x ^ 4 - 4 x ^ 3 - 2 x ^ 2 + 5 x , then f ( - 1 ) =
"total savings = s amount spent on stereo = ( 1 / 4 ) s amount spent on television = ( 1 - 1 / 5 ) ( 1 / 4 ) s = ( 4 / 5 ) * ( 1 / 4 ) * s = ( 1 / 5 ) s ( stereo + tv ) / total savings = s ( 1 / 4 + 1 / 5 ) / s = 9 / 20 answer : d"
a ) 1 / 4 , b ) 2 / 7 , c ) 5 / 12 , d ) 9 / 20 , e ) 7 / 12
d
divide(1, 4)
divide(n0,n1)|
general
carol spends 1 / 4 of her savings on a stereo and 1 / 5 less than she spent on the stereo for a television . what fraction of her savings did she spend on the stereo and television ?
x is 20 % greater than 55 means x is 1.2 times 55 ( in other words 55 + 20 / 100 * 55 = 1.2 * 55 ) therefore , x = 1.2 * 55 = 66 answer : d
a ) 68 , b ) 70.4 , c ) 86 , d ) 66 , e ) 108
d
add(55, multiply(divide(20, const_100), 55))
divide(n0,const_100)|multiply(n1,#0)|add(n1,#1)
general