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ape210k__00852749
There are 60 students in a class and 37 boys, what percentage of the class are girls? How many
<gadget id="calculator">60 - 37</gadget> <output>23</output> <gadget id="calculator">23 / 60</gadget> <output>23/60 = around 0.383333</output> <result>23/60 = around 0.383333</result>
23/60
calc
ape210k__00137950
The pig farm raised 280 pigs last year, and this year it has increased by 40% compared to last year. How many pigs will be raised this year?
<gadget id="calculator">40 / 100</gadget> <output>2/5 = around 0.4</output> <gadget id="calculator">1 + (2/5)</gadget> <output>7/5 = around 1.4</output> <gadget id="calculator">280 * (7/5)</gadget> <output>392</output> <result>392</result>
392
calc
aqua_rat__8vv2fDiunU1kwYsH
If (5^15)(9^8)=3(15^x), what is the value of x? Select the correct option A) 7 B) 9 C) 11 D) 13 E) 15
(5^15)(9^8)=3(15^x) =&gt; 5^15 * 3^16 = 3 * 3^x * 5^x =&gt; 5^15 * 3^16 = 3^(x+1) * 5^x Value of x = 15 Answer 15 <result>E</result>
E
calc
math_qa__nQ7udcSaK0XCogUy
A cricketer scored 136 runs which included 12 boundaries and 2 sixes. What percent of his total score did he make by running between the wickets. Choices: A) 46.2 % B) 54.54 % C) 55.88 % D) 70 % E) none of these
<gadget id="calculator">12 * 4</gadget> <output>48</output> <gadget id="calculator">2 * 3</gadget> <output>6</output> <gadget id="calculator">2 * 6</gadget> <output>12</output> <gadget id="calculator">48 + 12</gadget> <output>60</output> <gadget id="calculator">136 - 60</gadget> <output>76</output> <gadget id="cal...
C
calc
ape210k__00235388
A total of 30 small questions need to be done in a test, 11 points are given for one correct answer, 6 points are deducted for one wrong answer, 0 points are given for not answering, and a student gets 17 points in total, so how many questions does the student not solve?
<gadget id="calculator">30 - 7 - 10</gadget> <output>13</output> <result>13</result>
13
calc
aqua_rat__TfXWOSvCpmoHNJ8I
Jamboree and GMAT Club Contest Starts QUESTION #10: How many words (with or without meaning)R can be formed using all the letters of the word “SELFIE” so that the two E’s are not together? Choose the correct choice from the following: A) 660 B) 600 C) 500 D) 300 E) 240
In general, repetitions are taken care of by dividing the permutation by the factorial of the number of objects that are identical. in this case,R if you think logically, A,B,C,D options are not divisible by 6!. 6 is total number of letters in the word SELFIE. Only option E is divisible by 6!. So correct answer is 240 ...
E
calc
aqua_rat__LNpwrKjxM9bEiae2
If cost of 15 eggs be 75 rupees, then find out the cost of 4 dozen eggs. Choose the correct choice from the following choices: A) 300 B) 240 C) 500 D) 600 E) 700
Cost of 15 eggs = 75 rupees Cost of 1 egg = 75/15= <gadget id="calculator">75/15</gadget> <output>5</output> 5 rupees, Cost of 4 dozens, i.e. 5 x 12= 60 x 4 = 240 Answer : 240 <result>B</result>
B
calc
ape210k__00494889
What is the reciprocal of (2/3).
<gadget id="calculator">3 / 2</gadget> <output>3/2 = around 1.5</output> <result>3/2 = around 1.5</result>
3/2
calc
ape210k__00389126
The distance between A and B is 350 kilometers. Cars A and B drive from the two places at the same time. After 3.5 hours, the two cars meet. Car A travels 49 kilometers per hour. How many kilometers does Car B travel per hour? (answer in two ways)
<gadget id="calculator">49 * 3.5</gadget> <output>171.5</output> <gadget id="calculator">350 - 171.5</gadget> <output>178.5</output> <gadget id="calculator">178.5 / 3.5</gadget> <output>51</output> <result>51</result>
51
calc
aqua_rat__XnAVSk5OeaqYZzQK
The sum of the present ages of father and his son is 60 years. Six years ago, father's age was five times the age of the son. After 6 years, son's age will be? Choose one A) 27 years B) 28 years C) 29 years D) 20 years E) 17 years
Let the present ages of son and father be x and (60 - x) years respectively. Then, (60 - x) - 6 = 5(x - 6) 6x = 84 =&gt; x = 14 Son's age after 6 years = (x + 6) = 20 years. Answer:20 years <result>D</result>
D
calc
ape210k__00185774
The upper degree of a trapezoid is 6 decimeters, the lower base is 10 decimeters, and the height is 6 decimeters. With the upper base of the trapezoid as the base, draw a largest triangle inside. What is the area of this triangle in square decimeters?
<gadget id="calculator">6 / 2</gadget> <output>3</output> <gadget id="calculator">6 * 3</gadget> <output>18</output> <result>18</result>
18
calc
aqua_rat__6scGwOi3FCeS5uYy
list of salaries of 8 employees are listed below. What is the median salary? $40,000, $29,000, $35,500, $31,000, $43,000, $30,000, $27,000, $34,000 Choose the most appropriate option. A) $28,000 B) $28,500 C) $32,500 D) $30,800 E) $31,500
Ordering the data from least to greatest, we get: $27,000, $29,000, $30,000, $31,000, $34,000, $35,500, $40,000, $43,000 Since there is an even number of items in the data set, we compute the median by taking the mean of the two middlemost numbers. $31,000 + $34,000 = $65,000 The median salary is $32,500. Ans...
C
calc
aqua_rat__cGWfGFOU4WPrsqBF
If a company allocates 10 percent of its budget to advertising, 10 percent to capital improvements, and 72 percent to salaries, what fraction of its budget remains for other allocations? Choose the correct option: A) 4/5 B) 2/25 C) 3/10 D) 1/5 E) 1/10
10 + 10 + 72= <gadget id="calculator">10 + 10 + 72</gadget> <output>92</output> 92% 100 - 92= 8% to all others 2/25 <result>B</result>
B
calc
ape210k__00235660
(1/4)*(5/6)-25%*(1/6)=how much.
<gadget id="calculator">1 / 4</gadget> <output>1/4 = around 0.25</output> <gadget id="calculator">5 / 6</gadget> <output>5/6 = around 0.833333</output> <gadget id="calculator">(1/4) * (5/6)</gadget> <output>5/24 = around 0.208333</output> <gadget id="calculator">25 / 100</gadget> <output>1/4 = around 0.25</output> ...
1/6
calc
ape210k__01078667
When water freezes, its volume increases by 10%. A piece of ice with a volume of 2.2 cubic meters, what is the volume after melting into water?
<gadget id="calculator">10 / 100</gadget> <output>1/10 = around 0.1</output> <gadget id="calculator">1 + (1/10)</gadget> <output>11/10 = around 1.1</output> <gadget id="calculator">2.2 / (11/10)</gadget> <output>2</output> <result>2</result>
2
calc
ape210k__00469777
The school held a sports meeting, 162 people participated in running, and 18 people participated in rope skipping. How many times as many people take part in running than skipping rope?
<gadget id="calculator">162 / 18</gadget> <output>9</output> <result>9</result>
9
calc
ape210k__01113073
There are 18 cypress trees and 5 oak trees in the school. What fraction are there oak trees compared to cypress trees?
<gadget id="calculator">5 / 18</gadget> <output>5/18 = around 0.277778</output> <result>5/18 = around 0.277778</result>
5/18
calc
ape210k__00418669
What is the number 2 more than (2/7) of 49?
<gadget id="calculator">2 / 7</gadget> <output>2/7 = around 0.285714</output> <gadget id="calculator">49 * (2/7)</gadget> <output>14</output> <gadget id="calculator">14 + 2</gadget> <output>16</output> <result>16</result>
16
calc
aqua_rat__FpIIaukCR8DGg5yV
A mixture of 70 litres of milk and water contains 10% water. How many litres of water should be added to the mixture so that the mixture contains 12 1/2% water? Answers: A) 17 B) 22 C) 58 D) 2 E) 69
Explanation: Quantity of milk in the mixture = 90/100 (70) = 63 litres. After adding water, milk would form 87 1/2% of the mixture. Hence, if quantity of mixture after adding x liters of water, (87 1/2) / 100 x = 63 =&gt; x = 72 Hence 72 - 70= <gadget id="calculator">72 - 70</gadget> <output>2</output> 2 litre...
D
calc
ape210k__01197841
There is a nine-digit number, its ones digit is 7, its tens digit is 2, and the sum of any adjacent three digits of other digits is 15, what is this number?
<result>627_627_627</result>
627_627_627
calc
aqua_rat__E9e1WNFnaRJ79pAy
In a certain province in France there are 19 cities. If a single road segment connects only two cities, how many road segments are required in order to connect the cities so that each city is connected to all other cities with a single road segment? Choose the most appropriate option. A) 30 B) 105 C) 330 D) 143 E) 171
1 city needs 18 roads to connect directly to the rest =&gt; 19 city needs 19*18 roads. One road is counted twice =&gt; the number of road needed is 19*18/2= <gadget id="calculator">19*18/2</gadget> <output>171</output> 171 Answer 171 <result>E</result>
E
calc
aqua_rat__7Z6MMO7SAo57vQMM
A wheel that has 8 cogs is meshed with a larger wheel of 14 cogs. When the smaller wheel has made 28 revolutions, then the number of revolutions mad by the larger wheel is: Choose the correct choice from the following options. A) 15 B) 16 C) 17 D) 14 E) 20
B 16 Let the required number of revolutions made by larger wheel be x. Then, More cogs, Less revolutions (Indirect Proportion) 14 : 8:: 28: x &lt;-&gt; 14 x x = 8 x 28 x = (8x 28)/14 x = 16 <result>B</result>
B
calc
ape210k__00491285
Two engineering teams, A and B, dig a tunnel at the same time from both ends. Team A digs 19 meters every day, and Team B digs 31 meters every day. After 110 days, the tunnel will be finished. How long is the tunnel?
<gadget id="calculator">19 + 31</gadget> <output>50</output> <gadget id="calculator">50 * 110</gadget> <output>5_500</output> <result>5_500</result>
5_500
calc
ape210k__00606298
The original price of a commodity is 165 yuan, after the price is reduced by 10%, how much is the selling price?
<gadget id="calculator">10 / 100</gadget> <output>1/10 = around 0.1</output> <gadget id="calculator">1 - (1/10)</gadget> <output>9/10 = around 0.9</output> <gadget id="calculator">165 * (9/10)</gadget> <output>297/2 = around 148.5</output> <result>297/2 = around 148.5</result>
297/2
calc
ape210k__00797091
Two relatively prime composite numbers whose sum is 19, what is their product.
<gadget id="calculator">4 * 15</gadget> <output>60</output> <result>60</result>
60
calc
aqua_rat__5DuNSYq0z56VdMTI
Rahul went to a shop and bought things worth Rs. 25, out of which 30 Paise went on sales tax on taxable purchases. If the tax rate was 6%, then what was the cost of the tax free items? Choose the correct answer: A) 19.7 B) 19.9 C) 21 D) 21.7 E) 23
Total cost of the items he purchased = Rs.25 Given that out of this Rs.25, 30 Paise is given as tax =&gt; Total tax incurred = 30 Paise = Rs.30/100 Let the cost of the tax free items = x Given that tax rate = 6% ∴ (25−30/100−x)6/100 = 30/100 ⇒ 6(25 −0.3 −x) = 30 ⇒ (25 − 0.3 − x) = 5 ⇒ x = 25 − 0.3 − 5 =...
A
calc
ape210k__00187102
A pile of coal is in the shape of a cone with a base radius of 1.5 meters and a height of 1.2 meters. What is the volume of this pile of coal in cubic meters?
<gadget id="calculator">1 / 3</gadget> <output>1/3 = around 0.333333</output> <gadget id="calculator">1.5 ** 2</gadget> <output>2.25</output> <gadget id="calculator">(1/3) * 3.14 * 2.25 * 1.2</gadget> <output>2.826</output> <result>2.826</result>
2.826
calc
ape210k__00305434
There is a fraction whose denominator is 4 more than the numerator. If you add 9 to both the numerator and the denominator, the fraction you get will be (7/9), what is the fraction?
<gadget id="calculator">5 / 9</gadget> <output>5/9 = around 0.555556</output> <result>5/9 = around 0.555556</result>
5/9
calc
ape210k__00245484
(1/(1*2))+(2/(2*4))+(3/(4*7))+(4/(7*11))+(5/(11*16))+ (6/(16*22))+(7/(22*29))+(8/(29*37))=how much.
<gadget id="calculator">1 * 2</gadget> <output>2</output> <gadget id="calculator">1 / 2</gadget> <output>1/2 = around 0.5</output> <gadget id="calculator">2 * 4</gadget> <output>8</output> <gadget id="calculator">2 / 8</gadget> <output>1/4 = around 0.25</output> <gadget id="calculator">4 * 7</gadget> <output>28</ou...
36/37
calc
ape210k__00309034
Xiaofang has already typed 1,600 words in an article, exactly 40% of the full text, how many words are left?
<gadget id="calculator">40 / 100</gadget> <output>2/5 = around 0.4</output> <gadget id="calculator">1_600 / (2/5)</gadget> <output>4_000</output> <result>4_000</result>
4_000
calc
ape210k__00438337
It takes 104 bricks to repair the flower pond, 36 bricks are moved each time, and 38 bricks are moved for the second time. How many bricks are left? (answer in two ways)
<gadget id="calculator">104 - 36 - 38</gadget> <output>30</output> <result>30</result>
30
calc
aqua_rat__kzVU7w6v1j9AI3Yg
In an examination, a student's average marks were 63. If he had obtained 20 more marks for his Geography and 2 more marks for his history, his average would have been 65. How many subjects were there in the examination? Options. A) 12 B) 11 C) 13 D) 14 E) 10
Explanation: Let the number of subjects = x Then, total marks he scored for all subjects = 63x If he had obtained 20 more marks for his Geography and 2 more marks for his history, his average would have been 65 =&gt; Total marks he would have scored for all subjects = 65x Now we can form the equation as 65x -...
B
calc
math_qa__iUTdlkrUdoJJlpDS
In a restaurant, the profit is 140% of the cost. If the cost increases by 12% but the selling price remains constant, approximately what percentage of the selling price is the profit? Select: A) 30 % B) 53 % C) 90 % D) 100 % E) none of these
<gadget id="calculator">140 / 100</gadget> <output>7/5 = around 1.4</output> <gadget id="calculator">100 * (7/5)</gadget> <output>140</output> <gadget id="calculator">140 + 100</gadget> <output>240</output> <gadget id="calculator">12 / 100</gadget> <output>3/25 = around 0.12</output> <gadget id="calculator">1 + (3/...
B
calc
math_qa__H1wuJi4bqr5K0xsJ
Find the least number which when divided by 37 and 7 leaves a remainder of 2 in each case. Answers A) 259 B) 261 C) 263 D) 265 E) 267
<gadget id="calculator">lcm(37, 7)</gadget> <output>259</output> <gadget id="calculator">2 + 259</gadget> <output>261</output> <result>B</result>
B
calc
ape210k__00765961
If x/2=15, then 200-3x=how much.
<gadget id="calculator">1 / 2</gadget> <output>1/2 = around 0.5</output> <gadget id="calculator">15 / (1/2)</gadget> <output>30</output> <gadget id="calculator">3 * 30</gadget> <output>90</output> <gadget id="calculator">200 - 90</gadget> <output>110</output> <result>110</result>
110
calc
ape210k__00268844
Aunt Li visited the Three Gorges and bought 6 pieces of the same tourist souvenirs, and Uncle Wang also bought 8 pieces of this kind of tourist souvenirs. Uncle Wang spent 24 yuan more than Aunt Li. How much is each souvenir?
<gadget id="calculator">8 - 6</gadget> <output>2</output> <gadget id="calculator">24 / 2</gadget> <output>12</output> <result>12</result>
12
calc
ape210k__00133277
Draw a circle with a circumference of 15.7 meters, how many meters should be taken between the two feet of the compass.
<gadget id="calculator">2 * 3.14</gadget> <output>6.28</output> <gadget id="calculator">15.7 / 6.28</gadget> <output>2.5</output> <result>2.5</result>
2.5
calc
aqua_rat__h4A08HWtQg7DkK4h
10 camels cost as much as 24 horses, 16 horses cost as much as 4 oxen and 6 oxen as much as 4 elephants. If the cost of 10 elephants is Rs.140000, find the cost of a camel? Select: A) s.9800 B) s.3800 C) s.9800 D) s.6800 E) s.5600
Cost of the camel = P 10 camels = 24 horses 16 horses = 4 oxen 6 oxen = 4 elephants 10 elephants = Rs.140000 P = Rs.[(24 * 4 * 4 * 140000)/(10 * 16 * 6 * 10)] P = Rs.(53760000/9600) =&gt; P = Rs.5600 Answer:s.5600 <result>E</result>
E
calc
aqua_rat__gJnzjn7NLR3eESIi
At what price must an article costing Rs.47.50 be marked in order that after deducting 5% from the list price. It may be sold at a profit of 25% on the cost price? Choose one: A) 62.5 B) 62.8 C) 62.1 D) 62.9 E) 32.5
Explanation: CP = 47.50 SP = 47.50*(125/100)= <gadget id="calculator">47.50*(125/100)</gadget> <output>59.375</output> 59.375 MP*(95/100)= 59.375 MP = 62.5 62.5nswer: 62.5 <result>A</result>
A
calc
aqua_rat__IU2hUdMHxnm1yBnk
The railway track length, which a train 130 metres long and travelling at 45 km/hr can cross in 30 seconds, is: Pick: A) 300 m B) 245 m C) 350 m D) 250 m E) 260 m
speed = (45*5/18) =&gt; 25/2 m/sec time = 30 sec length of bridge =&gt; x =&gt;130+x/30 = 25/2 2(130+x)=750 x=245 m ANSWER 245 m <result>B</result>
B
calc
aqua_rat__frb7Del9zgJG3Cx0
Two trains of length 100 meters and 200 meters are 630 meters apart. They are moving towards each other on parallel tracks, at speeds of 90 km/h and 72 km/h. After how many seconds will the trains meet? Choose the correct choice from the following answers A) 12 B) 14 C) 16 D) 18 E) 20
The speeds are 90000/3600= <gadget id="calculator">90000/3600</gadget> <output>25</output> 25 m/s and 72000/3600= <gadget id="calculator">72000/3600</gadget> <output>20</output> 20 m/s The relative speed is 45 m/s. time= 630 / 45= <gadget id="calculator">630 / 45</gadget> <output>14</output> 14 seconds The ans...
B
calc
aqua_rat__yRE97d67zoLwDbM4
How many W ways can Jason sit with his five friends in a row of six seats with an aisle on either side of the row, if Jason insists on sitting next to one of the aisles? Pick one. A) 120 B) 240 C) 360 D) 540 E) 720
Jason can select his seat in 2 Ways (two aisles) His 1st of 4 friends have 5 seats to select =&gt; His 2nd of remaining 3 friends will have 4 seat to chose from...and so on Total ways W=&gt; 2*5*4*3*2*1 = 240.240 <result>B</result>
B
calc
ape210k__00032164
There are 30 girls in a class, and there are fewer boys than girls (1/5), how many boys are there?
<gadget id="calculator">1 / 5</gadget> <output>1/5 = around 0.2</output> <gadget id="calculator">1 - (1/5)</gadget> <output>4/5 = around 0.8</output> <gadget id="calculator">30 * (4/5)</gadget> <output>24</output> <result>24</result>
24
calc
math_qa__Ofnui3iNhLMgBhEF
Population is 21000. Population increases by 10% every year, then the population after 3 years is? Choose one A) 26630 B) 27951 C) 36621 D) 26621 E) 26821
<gadget id="calculator">3 * 10</gadget> <output>30</output> <gadget id="calculator">30 / 100</gadget> <output>3/10 = around 0.3</output> <gadget id="calculator">1 + (3/10)</gadget> <output>13/10 = around 1.3</output> <gadget id="calculator">21_000 * (13/10)</gadget> <output>27_300</output> <result>B</result>
B
calc
aqua_rat__HoZrEMEYUVSvzBS5
A cyclist covers a distance of 750 m in 2 min 30 sec. What is the speed in km/hr of the cyclist? Pick one: A) 9km/hr B) 7km/hr C) 12km/hr D) 15km/hr E) 18km/hr
Speed = { 750 } m/sec =5 m/sec = { 5 * 18 } km/hr =18km/hr Ans:18km/hr <result>E</result>
E
calc
math_qa__gUNtFiSlRYfmsv0j
The present ages of A,B & C are in the ratio of 5:7:8. 7years ago, the sum oftheir ages was 59. What is the present age of eldest one? Choices: A) 30 B) 31 C) 32 D) 35 E) 36
<gadget id="calculator">7 * 3</gadget> <output>21</output> <gadget id="calculator">21 + 59</gadget> <output>80</output> <gadget id="calculator">5 + 7</gadget> <output>12</output> <gadget id="calculator">12 + 8</gadget> <output>20</output> <gadget id="calculator">80 / 20</gadget> <output>4</output> <gadget id="calc...
C
calc
math_qa__s4gnMLRMTVn5sVEM
In a maths test, students were asked to find 5/16 of a certain number. One of the students by mistake found 5/6th of that number and his answer was 300 more than the correct answer. Find the number. Choose the correct choice A) 125 B) 280 C) 384 D) 400 E) 576
<gadget id="calculator">300 * 16</gadget> <output>4_800</output> <gadget id="calculator">4_800 * 6</gadget> <output>28_800</output> <gadget id="calculator">5 * 16</gadget> <output>80</output> <gadget id="calculator">5 * 6</gadget> <output>30</output> <gadget id="calculator">80 - 30</gadget> <output>50</output> <ga...
E
calc
ape210k__00290893
Mother saved 20,000 yuan for Li Li's five-year education savings, and the annual tax rate is 5.22%. After maturity, how much can you get the principal and interest from the bank? (Interest earned on education savings is not taxable)
<gadget id="calculator">5.22 / 100</gadget> <output>0.0522</output> <gadget id="calculator">20_000 * 0.0522 * 5</gadget> <output>5_220</output> <gadget id="calculator">20_000 + 5_220</gadget> <output>25_220</output> <result>25_220</result>
25_220
calc
ape210k__01200405
rectangular playground is 13 meters wide, and the length is 5 meters longer than the width. Xiao Fang ran 4 laps along the sideline of the playground. How many meters did he run?
<gadget id="calculator">13 + 5</gadget> <output>18</output> <gadget id="calculator">18 + 13</gadget> <output>31</output> <gadget id="calculator">31 * 2 * 4</gadget> <output>248</output> <result>248</result>
248
calc
ape210k__00230501
If both multipliers are tripled at the same time, how many times will the product be enlarged?
<gadget id="calculator">3 * 3</gadget> <output>9</output> <result>9</result>
9
calc
ape210k__00584167
Weld a conical container with a fan-shaped iron sheet with an arc length of 3.14dm. Its volume is 15.7dm**3. What is the height of this conical container in dm?
<gadget id="calculator">3.14 / 3.14 / 2</gadget> <output>0.5</output> <gadget id="calculator">0.5 ** 2</gadget> <output>0.25</output> <gadget id="calculator">3.14 * 0.25</gadget> <output>0.785</output> <gadget id="calculator">3 / 0.785</gadget> <output>3.821656</output> <gadget id="calculator">15.7 * 3.821656</gadg...
59.999999
calc
aqua_rat__wc187ATi4C1Ibe2o
The numerator of a certain fraction is 8 less than the denominator. If 3 is added to the numerator and 3 is subtracted from the denominator, the fraction becomes 3/4. Find the original fraction? Choose the correct choice from the following A) 24.5 B) 28.5 C) 30 D) Data inadequate E) None of these
Explanation: Let C.P. be Rs. 100. Then, S.P. = Rs. 123.50 Let marked price be Rs. x. Then, 95/100 x = 123.50 x = 12350/95 = Rs. 130 Now, S.P. = Rs. 130, C.P. = Rs. 100 Profit % = 30%. Answer: Option 30 <result>C</result>
C
calc
ape210k__00528513
A clothing store sells a certain kind of clothing, which can only be sold if it is known that the selling price is more than 20% higher than the purchase price. In order to obtain higher profits, the owner of the store marked the price 80% higher than the purchase price. If you want to buy this kind of clothing with a ...
<gadget id="calculator">80 / 100</gadget> <output>4/5 = around 0.8</output> <gadget id="calculator">1 + (4/5)</gadget> <output>9/5 = around 1.8</output> <gadget id="calculator">360 / (9/5)</gadget> <output>200</output> <gadget id="calculator">20 / 100</gadget> <output>1/5 = around 0.2</output> <gadget id="calculato...
120
calc
ape210k__00154249
pool has an inlet pipe that continuously feeds water, and there are several identical suction pipes. If 24 water pipes are used to pump water, the water in the pool can be drained in 6 hours; if 21 water pipes are used to pump water, the water in the pool can be drained in 8 hours. If 16 pumping pipes are used, how man...
<gadget id="calculator">21 * 8</gadget> <output>168</output> <gadget id="calculator">24 * 6</gadget> <output>144</output> <gadget id="calculator">168 - 144</gadget> <output>24</output> <gadget id="calculator">8 - 6</gadget> <output>2</output> <gadget id="calculator">24 / 2</gadget> <output>12</output> <gadget id="...
18
calc
aqua_rat__HKBGEvwxORTgRJBt
Two tests had the same maximum mark. The pass percentages in the first and the second test were 40% and 45% respectively. A candidate scored 240 marks in the second test and failed by 57 marks in that test. Find the pass mark in the first test? Choose the correct choice: A) 768 B) 243 C) 246 D) 264 E) 224
Let the maximum mark in each test be M. The candidate failed by 57 marks in the second test. pass mark in the second test = 240 + 57= <gadget id="calculator">240 + 57</gadget> <output>297</output> 297 45/100 M= 297 Pass mark in the first test = 40/100 M = 40/45 * 297= <gadget id="calculator">40/45 * 297</gadg...
D
calc
ape210k__00112567
If a piece of (4/5) meter long wood is sawn into (2/15) meter long pieces, how many pieces can be sawn into?
<gadget id="calculator">4 / 5</gadget> <output>4/5 = around 0.8</output> <gadget id="calculator">2 / 15</gadget> <output>2/15 = around 0.133333</output> <gadget id="calculator">(4/5) / (2/15)</gadget> <output>6</output> <result>6</result>
6
calc
aqua_rat__d2jUtRB6911fFxpL
Excluding stoppages, the speed of a bus is 86 kmph and including stoppages, it is 76 kmph. For how many minutes does the bus stop per hour? Pick one. A) 7.5 min B) 16 min C) 20 min D) 7 min E) 40 min
D 7 min Due to stoppages, it covers 10 km less. Time taken to cover 10 km = (10/86 x 60) min = 7 min <result>D</result>
D
calc
ape210k__00078799
There are 18 cabbages, and each 6 cabbage is packed in a basket. How many cabbage baskets are needed?
<gadget id="calculator">18 / 6</gadget> <output>3</output> <result>3</result>
3
calc
aqua_rat__5iiPGZB2VBJorb1G
FOG + FOG + FOG + FOG = 1444. If F,O and G are digits in a three-digit number in the preceding equation the F + O + G = ? Choose the correct choice from the following choices: A) 11 B) 12 C) 13 D) 10 E) 15
given,FOG + FOG + FOG + FOG = 1444 4(FOG)=1444 =&gt;FOG=361 Face value of F is:3 Face value of O is:6 Face value of G is:1 so F+O+G=3+6+4=10 ANSWER:10 <result>D</result>
D
calc
aqua_rat__lUmXMs6PsOyL9C2T
If d is a positive even integer, and n and m are consecutive integers, then (n - m)^d/(m - n)d = Choose the correct choice from the following answers A) -2 B) -1 C) 0 D) 1 E) 2
d= +ve even integer Since,n and m are consecutive integers , their difference will be 1 ((n-m)^d)/((m-n)d)= ((n-m)/(m-n))^d = (-1)^d Since we are raising the difference of n and m to power d , which is even , the answer will be 1 . Answer 1 <result>D</result>
D
calc
ape210k__00783437
A circular runway is 400 meters long. If a warning sign is erected every 10 meters, how many warning signs are needed?
<gadget id="calculator">400 / 10</gadget> <output>40</output> <result>40</result>
40
calc
ape210k__00615795
(1/5) of a number is 32, what is its (2/7).
<gadget id="calculator">1 / 5</gadget> <output>1/5 = around 0.2</output> <gadget id="calculator">32 / (1/5)</gadget> <output>160</output> <gadget id="calculator">2 / 7</gadget> <output>2/7 = around 0.285714</output> <gadget id="calculator">160 * (2/7)</gadget> <output>320/7 = around 45.714286</output> <result>320/7...
320/7
calc
ape210k__00695035
Xiao Le is 7 years old this year, and Xiao Le's uncle is 42 years old this year. How many times older is Xiao Le?
<gadget id="calculator">42 / 7</gadget> <output>6</output> <result>6</result>
6
calc
ape210k__00318644
On average, Guangming Restaurant delivers food 3 times a day, and charges 2 yuan each time. Based on this calculation, how much food delivery fee did Guangming Restaurant earn in February this year?
<gadget id="calculator">3 * 2 * 28</gadget> <output>168</output> <result>168</result>
168
calc
gsm8k__6QrX9rY0cbCL9ahB
Sandy earns $15 per hour. She worked 10 hours on Friday with her best friend, 6 hours on Saturday alone and 14 hours on Sunday with her other co-workers. How much money did Sandy earn in all on Friday, Saturday and Sunday?
The total number of hours Sandy worked on Friday, Saturday and Sunday was 10 + 6 + 14 = <gadget id="calculator">10+6+14</gadget> <output>30</output> 30 hours. Beth made 30 * $15 = $ <gadget id="calculator">30*15</gadget> <output>450</output> 450 in those 3 days. <result>450</result>
450
calc
ape210k__00187895
A wire is (7/8) meters long, if (1/2) meter is used up, how many meters are left? How many columns
<gadget id="calculator">7 / 8</gadget> <output>7/8 = around 0.875</output> <gadget id="calculator">1 / 2</gadget> <output>1/2 = around 0.5</output> <gadget id="calculator">(7/8) - (1/2)</gadget> <output>3/8 = around 0.375</output> <result>3/8 = around 0.375</result>
3/8
calc
aqua_rat__nW8jRvxDz1FJKivF
The average age of 15 students of a class is 15 years. Out of these, the average age of 5 students is 14 years and that of the other 9 students is 16 years. The age of the 15th student is? Choose the correct answer: A) 9 B) 11 C) 15 D) 12 E) 20
Age of the 15th student = 15*15 - (14*5+16*9) = 225-214= <gadget id="calculator">225-214</gadget> <output>11</output> 11 years Answer is 11 <result>B</result>
B
calc
ape210k__00616789
It takes 20 minutes for a woodworker to saw a log into 5 pieces. According to this calculation, how many minutes will it take to saw this log into 8 sections? (Solve with ratio)
<gadget id="calculator">20 * 8</gadget> <output>160</output> <gadget id="calculator">160 - 20</gadget> <output>140</output> <gadget id="calculator">5 - 1</gadget> <output>4</output> <gadget id="calculator">140 / 4</gadget> <output>35</output> <result>35</result>
35
calc
ape210k__00283766
The surface area of a cube is 24 square decimeters, if it is divided into two identical cuboids, what is the surface area of each cuboid?
<gadget id="calculator">24 / 2</gadget> <output>12</output> <gadget id="calculator">24 / 6</gadget> <output>4</output> <gadget id="calculator">12 + 4</gadget> <output>16</output> <result>16</result>
16
calc
ape210k__00346882
When Xiao Ming reads a book, he has already read (3/5) of the whole book, and he has not read 24 pages. How many pages has Xiao Ming read?
<gadget id="calculator">3 / 5</gadget> <output>3/5 = around 0.6</output> <gadget id="calculator">1 - (3/5)</gadget> <output>2/5 = around 0.4</output> <gadget id="calculator">24 / (2/5)</gadget> <output>60</output> <gadget id="calculator">60 - 24</gadget> <output>36</output> <result>36</result>
36
calc
ape210k__00360699
A book has 200 pages. Xiaojun reads (2/5) of the whole book on the first day and (1/4) of the whole book on the second day. What page should he read from on the third day?
<gadget id="calculator">2 / 5</gadget> <output>2/5 = around 0.4</output> <gadget id="calculator">200 * (2/5)</gadget> <output>80</output> <gadget id="calculator">1 / 4</gadget> <output>1/4 = around 0.25</output> <gadget id="calculator">200 * (1/4)</gadget> <output>50</output> <gadget id="calculator">80 + 50 + 1</ga...
131
calc
ape210k__00554657
If a 4m long log is cut into three small logs, the surface area increases by 12dm**2, what is the original volume of this log in cubic decimeters?
<gadget id="calculator">12 / 4</gadget> <output>3</output> <gadget id="calculator">4 * 10</gadget> <output>40</output> <gadget id="calculator">3 * 40</gadget> <output>120</output> <result>120</result>
120
calc
aqua_rat__lzQbFVIUNRtWvYKc
A small water pump would take 4 hours to fill an empty tank. A larger pump would take 1/2 hour to fill the same tank. How many hours would it take both pumps, working at their respective constant rates, to fill the empty tank if they began pumping at the same time? Select the correct option: A) 1/6 B) 4/9 C) 1/4 D) 5/9...
Rate of the small pump is 1/4 tank/hour Rate of the larger pump is 1/(1/2) or 2 tank/hour; Combined rate of the two pumps is 1/4+2=9/4 tank/hour, together they will fill the empty tank in 1/(9/4)) = 4/9 hours (time=job/rate). Answer: 4/9 <result>B</result>
B
calc
math_qa__WY3eZeZJGPU7ArKx
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. 32.49, the number of the member is the group is: Options: A) 57 B) 67 C) 77 D) 87 E) 97
<gadget id="calculator">32.49 * 100</gadget> <output>3_249</output> <gadget id="calculator">3_249 ** (1/2)</gadget> <output>57</output> <result>A</result>
A
calc
ape210k__00942683
Two cars, A and B, drive from two places at the same time. Car A travels 90 kilometers per hour, and car B travels 80 kilometers per hour. After 6 hours, the two cars meet. How many kilometers are there between A and B?
<gadget id="calculator">90 + 80</gadget> <output>170</output> <gadget id="calculator">170 * 6</gadget> <output>1_020</output> <result>1_020</result>
1_020
calc
ape210k__00186834
Cut a circular piece of paper with a radius of 4 cm to form 4 equal cone sides, what is the circumference of the base of each cone in cm?
<gadget id="calculator">4 / 4</gadget> <output>1</output> <gadget id="calculator">2 * 3.14 * 1</gadget> <output>6.28</output> <result>6.28</result>
6.28
calc
ape210k__01200389
If the side length of a square is 8 decimeters, what is its perimeter?
<gadget id="calculator">8 * 4</gadget> <output>32</output> <result>32</result>
32
calc
ape210k__00023490
A basket of apples weighs 35 kilograms in total. Give half of it to the kindergarten children, and give the remaining half to the first-grade children. The rest of the apples in the basket weigh 11 kilograms. How much does this basket of apples weigh?
<gadget id="calculator">35 - 11</gadget> <output>24</output> <gadget id="calculator">1 / 2</gadget> <output>1/2 = around 0.5</output> <gadget id="calculator">(1/2) * (1/2)</gadget> <output>1/4 = around 0.25</output> <gadget id="calculator">(1/2) + (1/4)</gadget> <output>3/4 = around 0.75</output> <gadget id="calcul...
32
calc
mawps__iX1oxFrJLs5CNatf
Annie had 10 Doll. Eileen granted him some more. Now Annie has 148 Doll. How many did Eileen grant him?
<gadget id="calculator">148 - 10</gadget> <output>138</output> <result>138</result>
138
calc
ape210k__00674893
If the side length of a cube is 5 cm, if the side length is increased by 3 times, how many times will its surface area be increased
<gadget id="calculator">3 * 3</gadget> <output>9</output> <result>9</result>
9
calc
math_qa__EtTGsXN04F4tTcJg
A certain bus driver is paid a regular rate of $16 per hour for any number of hours that does not exceed 40 hours per week. For any overtime hours worked in excess of 40 hours per week, the bus driver is paid a rate that is 75% higher than his regular rate. If last week the bus driver earned $1200 in total compensation...
<gadget id="calculator">16 * 40</gadget> <output>640</output> <gadget id="calculator">1_200 - 640</gadget> <output>560</output> <gadget id="calculator">100 + 75</gadget> <output>175</output> <gadget id="calculator">16 * 175</gadget> <output>2_800</output> <gadget id="calculator">2_800 / 100</gadget> <output>28</out...
A
calc
gsm8k__dgpNcnqXxKxnnG21
Three baskets A, B and C contain different numbers of differently colored marbles. Basket A contains 4 red marbles and 2 yellow marbles. Basket B contains 6 green marbles and 1 yellow marble. Basket C contains 3 white marbles and 9 yellow marbles. What is the difference between the number of each color of marble in the...
In basket A the number difference between differently colored marbles is 4-2 = <gadget id="calculator">4-2</gadget> <output>2</output> 2. In basket B the difference is 6-1 = <gadget id="calculator">6-1</gadget> <output>5</output> 5. In basket C the difference is 9-3 = <gadget id="calculator">9-3</gadget> <output>6</...
6
calc
aqua_rat__GO4kp1IRTIT2Uj3C
David bought 4 pens with the average cost of $2. If David also buys the fifth pen with the price of $ 3, what is the average (arithmetic mean) price of those 5 pens? Choices A) $2.2 B) $2 C) $3.2 D) $4 E) $5.2
4 pens -&gt; Total cost = 4 * Avg cost = 4*2= <gadget id="calculator">4*2</gadget> <output>8</output> 8 Fifth pen cost= 3 Total cost for 5 pens= 8+3= <gadget id="calculator">8+3</gadget> <output>11</output> 11 AM= 11/5= <gadget id="calculator">11/5</gadget> <output>11/5 = around 2.2</output> 2.2 Hence $2 <re...
B
calc
aqua_rat__4lWM6zg4DEGOcyZR
Two pipes P and Q can fill a cistern in 10 and 15 minutes respectively. Both are opened together, but at the end of 4 minutes the first is turned off. How many more minutes will it take for the cistern to fill after the first pipe is turned off? Choose the correct answer. A) 3.5 B) 4 C) 4.5 D) 5 E) 5.5
Let x be the total time it takes for the cistern to fill. 4/10 + x/15 = 1 x/15 = 3/5 x = 9 After the first pipe is turned off, it takes 5 more minutes to fill the cistern. The answer is 5. <result>D</result>
D
calc
ape210k__00248064
How many seconds does the second hand go from number 2 to 5?
<gadget id="calculator">5 * 3</gadget> <output>15</output> <result>15</result>
15
calc
aqua_rat__Ucim5j0RTlwZDATv
What is the simplified result of following the steps below in order? (1) add 5y to 2v (2) multiply the sum by 3 (3) subtract v + y from the product Choose the correct option. A) 5v + 14y B) 5x + 16y C) 5x + 5y D) 6x + 4y E) 3x + 12y
3(5Y+2V) -V-Y= 14Y+5V '5v + 14y' is the answer <result>A</result>
A
calc
aqua_rat__L30UvJO5geQImfBG
A bag contains 6 black and 4 white balls. One ball is drawn at random. What is the probability that the ball drawn is white? Choose the most appropriate option: A) 3/4 B) 2/5 C) 1/7 D) 1/8 E) 4/3
Let number of balls = (6 + 4)= <gadget id="calculator">(6 + 4)</gadget> <output>10</output> 10. Number of white balls= 4. P (drawing a white ball) =4/10=2/5. Option 2/5. <result>B</result>
B
calc
ape210k__00660491
The diameter of a circle is 5 meters, what is the circumference of the semicircle?
<gadget id="calculator">5 / 2</gadget> <output>5/2 = around 2.5</output> <gadget id="calculator">3.14 * (5/2)</gadget> <output>7.85</output> <gadget id="calculator">7.85 + 5</gadget> <output>12.85</output> <result>12.85</result>
12.85
calc
ape210k__00584993
(4/5) of a certain number is 28, what is this number?
<gadget id="calculator">4 / 5</gadget> <output>4/5 = around 0.8</output> <gadget id="calculator">28 / (4/5)</gadget> <output>35</output> <result>35</result>
35
calc
ape210k__01223217
There are 280 kilograms of apples in the store, 132 kilograms are sold in the morning, and 145 kilograms are bought in the afternoon, how many kilograms of apples are there in the store at this time?
<gadget id="calculator">280 - 132</gadget> <output>148</output> <gadget id="calculator">148 + 145</gadget> <output>293</output> <result>293</result>
293
calc
aqua_rat__vNwL9RrNicuie8SW
A car takes 12 hours to cover a distance of 540 Km. how much should the speed in Kmph be maintained to cover the same direction in 3/4th of the previous time? Choose the correct choice from the following. A) 25Kmph B) 60Kmph C) 100Kmph D) 120Kmph E) 180Kmph
Time = 12 Distence = 540 3/4 of 12 hours = 12 * 3/4= <gadget id="calculator">12 * 3/4</gadget> <output>9</output> 9 Hours Required speed= 540/9= <gadget id="calculator">540/9</gadget> <output>60</output> 60 Kmph 60Kmph) <result>B</result>
B
calc
aqua_rat__Pe9IHX3wudFqNRps
The average of a couple was 28Yrs when they were married 15Yrs ago.The avg age of the couple and a child, who was born during the interval, is 31Yrs now. How old is the child now ? Select the correct option: A) 2 Yrs B) 7 Yrs C) 3 Yrs D) 1 Yrs E) None of these
(a+b-15-15)/2=28; a+b=86; a+b+c/3=31; solving both c=7 ANSWER:7 Yrs <result>B</result>
B
calc
ape210k__00954731
Dad bought 72 meters of rope, and first cut 8 meters to make 5 short ropes. According to this calculation, how many short ropes can be made from the bought rope?
<gadget id="calculator">8 / 5</gadget> <output>8/5 = around 1.6</output> <gadget id="calculator">72 / (8/5)</gadget> <output>45</output> <result>45</result>
45
calc
ape210k__00610087
What is the volume of a cube folded from a 96 cm wire?
<gadget id="calculator">96 / 12</gadget> <output>8</output> <gadget id="calculator">8 * 8 * 8</gadget> <output>512</output> <result>512</result>
512
calc
ape210k__00889849
A cuboid steel plate with a length of 47.1m, a width of 20m and a height of 10m is cast into a cylindrical steel column with a bottom diameter of 20m. How high is the cylindrical steel column?
<gadget id="calculator">20 / 2</gadget> <output>10</output> <gadget id="calculator">10 ** 2</gadget> <output>100</output> <gadget id="calculator">3.14 * 100</gadget> <output>314</output> <gadget id="calculator">10 / 314</gadget> <output>5/157 = around 0.031847</output> <gadget id="calculator">47.1 * 20 * (5/157)</g...
30
calc
math_qa__tEr8ad3K21OIs5E3
If X is invested in a bank at a rate of simple interest of y% p.a. for two years, then the interest earned is 400. if X is invested at y% p.a., for two years when the interest is compounded annually, the interest is 410. What is the value of X? Choose the correct choice: A) 8000 B) 6000 C) 5000 D) 4000 E) 3000
<gadget id="calculator">400 / 2</gadget> <output>200</output> <gadget id="calculator">200 ** 2</gadget> <output>40_000</output> <gadget id="calculator">410 - 400</gadget> <output>10</output> <gadget id="calculator">40_000 / 10</gadget> <output>4_000</output> <result>D</result>
D
calc
ape210k__00834285
4 tractors can cultivate 46.8 hectares of land in 6.5 hours, how many hectares of land can be cultivated per tractor per hour on average?
<gadget id="calculator">46.8 / 4 / 6.5</gadget> <output>1.8</output> <result>1.8</result>
1.8
calc
ape210k__00162828
There are 2 roads from A to B, 3 roads from B to C, and 3 roads from C to D. Now Xiaoming wants to go from A to D through B and C. How many different ways to go.
<gadget id="calculator">2 * 3 * 3</gadget> <output>18</output> <result>18</result>
18
calc
aqua_rat__ylif6K24WSWAvEDz
45 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? Select the correct option: A) 10 B) 13 C) 14 D) 15 E) 16
According to the chain rule, M1 x T1 = M2 x T2 Therefore, 45 x 12 x 5 = 30 x 6 x X X = 15 Hence, the number of days = 15. ANSWER:15 <result>D</result>
D
calc
ape210k__00865129
Xiao Wang planted 200 saplings, but 4 died. What is the survival rate of these saplings?
<gadget id="calculator">200 - 4</gadget> <output>196</output> <gadget id="calculator">196 / 200</gadget> <output>49/50 = around 0.98</output> <gadget id="calculator">100 / 100</gadget> <output>1</output> <gadget id="calculator">(49/50) * 1</gadget> <output>49/50 = around 0.98</output> <result>49/50 = around 0.98</r...
49/50
calc