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the output of a factory was increased by 15 % to keep up with rising demand . to handle the holiday rush , this new output was increased by 20 % . by approximately what percent would the output now have to be decreased in order to restore the original output ? | 0general |
in a sample of associates at a law firm , 30 percent are second - year associates , and 60 percent are not first - year associates . what percentage of the associates at the law firm have been there for more than two years ? | 0general |
in a company of 160 employees , 90 are females . a total of 80 employees have advanced degrees and the rest have a college degree only . if 40 employees are males with college degree only , how many employees are females with advanced degrees ? | 3geometry |
in business , a and c invested amounts in the ratio 3 : 2 , whereas the ratio between amounts invested by a and b was 3 : 1 , if rs 60000 was their profit , how much amount did c receive . | 2gain |
the average ( arithmetic mean ) of 20 , 40 , and 60 is 5 more than the average of 10 , 50 , and what number ? | 0general |
an old man distributed all the gold coins he had to his two sons into two different numbers such that the difference between the squares of the two numbers is 49 times the difference between the two numbers . how many coins did the old man have ? | 0general |
how many times will the digit 4 be written when listing the integers from 1 to 1000 ? | 0general |
jonathan can type a 20 page document in 50 minutes , susan can type it in 30 minutes , and jack can type it in 24 minutes . working together , how much time will it take them to type the same document ? | 1physics |
in a certain village , 150 litres of water are required per household per month . at this rate , if there are 10 households in the village , how long ( in months ) will 6000 litres of water last ? | 2gain |
one side of a rectangle is 3 cm shorter than the other side . if we increase the length of each side by 1 cm , then the area of the rectangle will increase by 20 cm 2 . find the lengths of all sides . | 3geometry |
a rope of which a calf is tied is increased from 12 m to 18 m , how much additional grassy ground shall it graze ? | 0general |
find a two digit number , given that the sum of the digits is 12 and the difference of the digits is 2 . ? | 0general |
lisa and robert have taken the same number of photos on their school trip . lisa has taken 3 times as many photos as claire and robert has taken 24 more photos than claire . how many photos has claire taken ? | 0general |
what is 25 % of 4 / 12 of 520 ? | 2gain |
42 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 ? | 1physics |
calculate the circumference of a circular field whose radius is 6 centimeters . | 1physics |
for an agricultural experiment , 300 seeds were planted in one plot and 200 were planted in a second plot . if exactly 25 percent of the seeds in the first plot germinated and exactly 30 percent of the seeds in the second plot germinated , what percent of the total number of seeds germinated ? | 0general |
if x : y = 1 : 4 , then find the value of ( 7 x + 3 y ) : ( 2 x + y ) | 0general |
ages of two persons differ by 24 years . if 6 year ago , the elder one be 3 times as old the younger one , find their present age | 0general |
john want to buy a $ 100 trouser at the store , but he think it â € ™ s too expensive . finally , it goes on sale for $ 55 . what is the percent decrease ? | 0general |
in a garden , 26 trees are planted at equal distances along a yard 800 metres long , one tree being at each end of the yard . what is the distance between two consecutive trees ? | 1physics |
the average age of a , b and c is 28 years . if the average age of a and c is 29 years , what is the age of b in years ? | 0general |
evaluate : 986 x 237 + 986 x 863 | 0general |
a reduction of 30 % in the price of oil enables a house wife to obtain 3 kgs more for rs . 700 , what is the reduced price for kg ? | 2gain |
a multiple choice test consists of 4 questions , and each question has 5 answer choices . in how many f ways can the test be completed if every question is unanswered ? | 0general |
two vessels p and q contain 62.5 % and 87.5 % of alcohol respectively . if 8 litres from vessel p is mixed with 4 litres from vessel q , the ratio of alcohol and water in the resulting mixture is ? | 5other |
mariah has decided to hire three workers . to determine whom she will hire , she has selected a group of 10 candidates . she plans to have one working interview with 3 of the 10 candidates every day to see how well they work together . how many days will it take her to have working interviews with all the different combinations of job candidates ? | 1physics |
ratio between rahul and deepak is 4 : 3 , after 6 years rahul age will be 34 years . what is deepak present age ? | 5other |
a retailer bought a machine at a wholesale price of $ 99 and later on sold it after a 10 % discount of the retail price . if the retailer made a profit equivalent to 20 % of the whole price , what is the retail price of the machine ? | 2gain |
a store reported total sales of $ 480 million for february of this year . if the total sales for the same month last year was $ 320 million , approximately what was the percent increase in sales ? | 0general |
a cricket bat is sold for $ 850 , making a profit of $ 215 . the profit percentage would be | 2gain |
arun purchased 30 kg of wheat at the rate of rs . 11.50 per kg and 20 kg of wheat at the rate of 14.25 per kg . he mixed the two and sold the mixture . approximately what price per kg should be sell the mixture to make 35 % profit ? | 2gain |
how many times are the hands of a clock at right angle in 2 days ? | 1physics |
a cyclist rides a bicycle 8 km at an average speed of 10 km / hr and again travels 10 km at an average speed of 8 km / hr . what is the average speed for the entire trip ? | 0general |
find the value of 72516 x 9999 = m ? | 0general |
what is the tens digit of 7 ^ 1001 ? | 0general |
suresh started a business , investing rs . 18000 . after 3 months and 4 months respectively , rohan and sudhir joined him with capitals of 12000 and 9000 . at the end of the year the total profit was rs . 3872 . what is the difference between rohan ’ s and sudhir ’ s share in the profit ? | 2gain |
john invests $ x at the semi - annual constant compounded rate of 2 percent and also does $ 5,000 at the quarterly constant compounded rate of 4 percent . if the interests are the same after 1 year , what is the value of x ? ? | 2gain |
what number is obtained by adding the units digits of 734 ^ 98 and 347 ^ 82 ? | 0general |
in a certain alphabet , 20 letters contain a dot and a straight line . 36 letters contain a straight line but do not contain a dot . if that alphabet has 60 letters , all of which contain either a dot or a straight line or both , how many letters contain a dot but do not contain a straight line ? | 5other |
an auction house charges a commission of 25 % on the first $ 50,000 of the sale price of an item , plus 10 % on the amount of of the sale price in excess of $ 50,000 . what was the price of a painting for which the house charged a total commission of $ 24,000 ? | 0general |
a meal cost $ 35.50 adn there was no tax . if the tip was more than 15 pc but less than 25 pc of the price , then the total amount paid should be : | 0general |
the sum of the even numbers between 1 and n is 95 * 96 , where n is an odd number , then n = ? | 0general |
the present ratio of students to teachers at a certain school is 50 to 1 . if the student enrollment were to increase by 50 students and the number of teachers were to increase by 5 , the ratio of students to teachers would then be 25 to 1 . what is the present number of teachers ? | 5other |
julie decided to save a certain amount of her monthly salary each month and her salary was unchanged from month to month . if julie ' s savings by the end of the year from these monthly savings were 4 times the amount she spent per month , what should be the fraction of her salary that she spent each month ? | 0general |
the function f ( n ) is defined as the product of all the consecutive positive integers between 2 and n ^ 2 , inclusive , whereas the function g ( n ) is defined as the product of the squares of all the consecutive positive integers between 1 and n , inclusive . the exponent on 2 in the prime factorization of f ( 3 ) / g ( 3 ) is | 0general |
calculate the amount that an investor needs to be invest to earn $ 441 in interest in 12 months if the investor plans to invest x dollars in a savings account that pays interest at an annual rate of 7 % compounded semi - annually ? | 2gain |
how many positive integers less than 6,000 are there in which the sum of the digits equals 5 ? | 0general |
the ratio between the length and the breadth of a rectangular park is 3 : 1 . if a man cycling along the boundary of the park at the speed of 12 km / hr completes one round in 8 min , then the area of the park ( in sq . m ) is ? | 1physics |
the average ( arithmetic mean ) of 8 numbers is 8 . if 4 is added from each of 5 of the numbers , what is the new average ? | 0general |
list k consists of 10 consecutive integers . if - 3 is the least integer in list k , what is the range of the positive integers in list k ? | 0general |
a shopkeeper has 280 kg of apples . he sells 40 % of these at 20 % profit and remaining 60 % at 30 % profit . find his % profit on total . | 2gain |
we run a business that rents out canoes and kayaks . a canoe rental costs $ 14 per day , and a kayak rental costs $ 15 dollars per day . one day , our business rents out 3 canoes for every 2 kayaks and receives a total of $ 288 in revenue . how many more canoes than kayaks were rented out ? | 0general |
positive integers from 1 to 45 , inclusive are placed in 5 groups of 9 each . what is the highest possible average of the medians of these 5 groups ? | 0general |
for each of her sales , a saleswoman receives a commission equal to 20 percent of the first $ 500 of the total amount of the sale , plus 40 percent of the total amount in excess of $ 500 . if the total amount of one of her sales was $ 800 , the saleswoman ’ s commission was approximately what percent of the total amount of the sale ? | 0general |
a salt manufacturing company produced a total of 5000 tonnes of salt in january of a particular year . starting from february its production increased by 100 tonnes every month over the previous months until the end of the year . find its ave 66 rage daily production for that year ? | 0general |
the average weight of 9 person ' s increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg . what is the weight of the new person ? | 0general |
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 5 miles per hour for 3 hours . how many miles in total did she walk ? | 1physics |
a can do a job in 15 days and b in 20 days . if they work on it together for 5 days , then the fraction of the work that is left is ? | 1physics |
how many zeros are the end of 380 ! ? | 5other |
find the least number which when divided by 38 and 3 leaves a remainder of 1 in each case . | 0general |
in a certain supermarket , a triangular display of cans is arranged in 10 rows , numbered 1 through 10 from top to bottom . each successively numbered row contains 3 more cans than the row immediately above it . if there are fewer than 150 cans in the entire display , how many cans are in the seventh row ? | 0general |
q ' = 3 q - 3 , what is the value of ( 5 ' ) ' ? | 0general |
a person can row at 9 kmph and still water . he takes 3 1 / 2 hours to row from a to b and back . what is the distance between a and b if the speed of the stream is 1 kmph ? | 1physics |
the l . c . m of two numbers is 2310 and their h . c . f is 30 . if one number is 210 the other is | 1physics |
the smallest number when increased by ` ` 1 ` ` is exactly divisible by 12 , 18 , 24 , 32 and 40 is : | 0general |
if ( 2 ^ 17 ) ( 25 ^ s ) = 5 ( 10 ^ m ) what is the value of m ? | 0general |
of the 720 students at a certain university , 25 percent are seniors . if x seniors were to graduate early and leave the university and no additional students entered or left the university , what value of x would reduce the number of seniors at the university to 20 percent ? | 0general |
from given equation find the value of x : 2 x ² + 9 x − 5 | 0general |
a can do a job in 15 days and b in 20 days . if they work on it together for 3 days , then the fraction of the work that is left is ? | 1physics |
how many positive integers between 100 and 500 are there such that they are multiples of 19 ? | 0general |
p says to q ` ` i am thrice as old as you were when i was as old as you are ' ' . if the sum of their present age is 100 years , then the present age of q ? | 0general |
annie and sam set out together on bicycles traveling at 15 and 12 km per hour respectively . after 40 minutes , annie stops to fix a flat tire . if it takes annie 15 minutes to fix the flat tire and sam continues to ride during this time , how many minutes will it take annie to catch up with sam assuming that annie resumes riding at 15 km per hour ? | 1physics |
what percent of 75 is 45 ? | 2gain |
a car was driving at 50 km / h for 30 minutes , and then at 90 km / h for another 40 minutes . what was its average speed ? | 0general |
in february wilson ’ s earnings were 40 percent of his family ’ s total income . in march wilson earned 25 percent less than in february . if the rest of his family ’ s income was the same in both months , then , in march , wilson ’ s earnings were approximately what percent w of his family ’ s total income ? | 0general |
a committee is reviewing a total of 20 x black - and - white films and 6 y color films for a festival . if the committee selects y / x % of the black - and - white films and all of the color films , what fraction r of the selected films are in color ? | 0general |
1234 + 123 + 12 + x = 1221 . find the value of x . | 0general |
in 110 m race , a covers the distance in 36 seconds and b in 45 seconds . in this race a beats b by : | 1physics |
at 1 : 00 pm , there were 10.0 grams of bacteria . the bacteria increased to x grams at 4 : 00 pm , and 16.9 grams at 7 : 00 pm . if the amount of bacteria present increased by the same fraction during each of the 3 - hour periods , how many grams of bacteria were present at 4 : 00 pm ? | 0general |
a certain tax rate is $ 65 per $ 100.00 . what is the rate , expressed as a percent ? | 2gain |
two passenger trains start at the same hour in the day from two different stations and move towards each other at the rate of 27 kmph and 21 kmph respectively . when they meet , it is found that one train has traveled 60 km more than the other one . the distance between the two stations is ? | 1physics |
what is the sum of the multiples of 4 between 53 and 145 inclusive ? | 0general |
the simple interest on a certain sum of money at the rate of 4 % p . a . for 5 years is rs . 1680 . at what rate of interest the same amount of interest can be received on the same sum after 4 years ? | 2gain |
the edge of a cube is 6 a cm . find its surface ? | 3geometry |
if ( 1 / 2 ) ^ 25 ( 1 / 81 ) ^ k = 1 / 18 ^ 25 , then k = | 0general |
a high school has 400 students 1 / 2 attend the airthmetic club , 5 / 8 attend the biology club and 3 / 4 attend the chemistry club . 1 / 4 attend all 3 clubs . if every student attends at least one club how many students attend exactly 2 clubs . | 0general |
180 metres long yard , 11 trees are palnted at equal distances , one tree being at each end of the yard . what is the distance between 2 consecutive trees | 1physics |
a can do a work in 4 days . b can do the same work in 6 days . both a & b together will finish the work and they got $ 1000 from that work . find their shares ? | 1physics |
if it is assumed that 70 percent of those who receive a questionnaire by mail will respond and 300 responses are needed , what is the minimum number of questionnaires that should be mailed ? | 2gain |
the difference between a positive proper fraction and its reciprocal is 9 / 20 . the fraction is ? | 0general |
a man can swim in still water at 1.5 km / h , but takes twice as long to swim upstream than downstream . the speed of the stream is ? | 0general |
by using the numbers 1 , 2 , 3 , 7 and 9 only once , how many 5 digit numbers can be made that are divisible by 25 ? | 0general |
double of quarter of 5 percent written as a decimal is : | 2gain |
a car is purchased on hire - purchase . the cash price is $ 25 000 and the terms are a deposit of 10 % of the price , then the balance to be paid off over 60 equal monthly installments . interest is charged at 12 % p . a . what is the monthly installment ? | 2gain |
the average salary of 15 people in the shipping department at a certain firm is $ 20,000 . the salary of 5 of the employees is $ 25,000 each and the salary of 4 of the employees is $ 15,000 each . what is the average salary of the remaining employees ? | 0general |
a jar contains 5 black and 2 white balls . if you pick two balls at the same time , what ' s the probability that one ball is black and one is white ? | 4probability |
there are 2 more women than there are men on a local co - ed softball team . if there are a total of 16 players on the team , what is the ratio of men to women ? | 0general |
the regular price per can of a certain brand of soda is $ 0.40 . if the regular price per can is discounted 15 percent when the soda is purchased in 24 - can cases , what is the price of 100 cans of this brand of soda purchased in 24 - can cases ? | 2gain |
a lady has fine gloves and hats in her closet - 18 blue , 32 red , and 25 yellow . the lights are out and it is totally dark . in spite of the darkness , she can make out the difference between a hat and a glove . she takes out an item out of the closet only if she is sure that if it is a glove . how many gloves must she take out to make sure she has a pair of each color ? | 0general |
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