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Quantitative Aptitude

TIME AND WORK MCQs

Time & Work, Work And Wages

Total Questions : 1512 | Page 12 of 152 pages
Question 111. 18 men can complete a piece of work in 63 days. 9 women take 189 days to complete the same piece of work. How many days will 4 men, 9 women and 12 children together take to complete the piece of work if 7 children alone can complete the piece of work in 486 days ?
  1.    54 days
  2.    63 days
  3.    76 days
  4.    81 days
  5.    None of these
 Discuss Question
Answer: Option D. -> 81 days
Question 112. 16 men can finish a work in 24 days and 48 boys can finish the same work in 16 days. 12 men started the work and after 4 days 12 boys joined them. In how many days can they finish the remaining work ?
  1.    6
  2.    12
  3.    16
  4.    None of these
 Discuss Question
Answer: Option D. -> None of these
Question 113. 4 men and 10 women were put on a work. They completed $$\frac{1}{3}$$ of the work in 4 days. After this 2 men and 2 women were increased. They completed $$\frac{2}{9}$$ more of the work in 2 days. If the remaining work is to be completed in 3 days, then how many more women must be increased ?
  1.    8
  2.    32
  3.    50
  4.    55
 Discuss Question
Answer: Option A. -> 8
Question 114. A can do a piece of work in 5 days less than the time taken by B to do it. If both of them together take $${\text{11}}\frac{1}{9}$$ days, then the time taken by B alone to do the same work (in days ) is ?
  1.    15 days
  2.    20 days
  3.    25 days
  4.    30 days
 Discuss Question
Answer: Option C. -> 25 days
Question 115. A takes 10 days less than the time taken by B to finish a piece of work. If both A and B can do it in 12 days, then the time taken by B alone to finish the work is = ?
  1.    30 days
  2.    27 days
  3.    20 days
  4.    25 days
 Discuss Question
Answer: Option A. -> 30 days
Question 116. Dinesh and Rakesh are working on an Assignment, Dinesh takes 6 hours to type 32 pages on a computer, while Rakesh takes 5 hours to type 40 pages. How much time will they take working together on two different computers to type an assignment of 110 page ?
  1.    7 hours, 30 minutes
  2.    8 hours
  3.    8 hours, 15 minutes
  4.    8 hours, 25 minutes
 Discuss Question
Answer: Option C. -> 8 hours, 15 minutes
Question 117. A can do as much work as B and C together can do. A and B can together do a piece of work in 9 hours 36 minutes and C can do it in 48 hours. The time in hours that B needs to do the work alone, is ?
  1.    18 hours
  2.    24 hours
  3.    30 hours
  4.    12 hours
 Discuss Question
Answer: Option B. -> 24 hours
Question 118. If 5 men and 3 women can reap 18 acre of crop in 4 days, 3 men and 2 women can reap 22 acre of crop in 8 days, then how many men are required to join 21 women to reap 54 acre of crop in 6 days ?
  1.    5
  2.    6
  3.    10
  4.    12
 Discuss Question
Answer: Option A. -> 5
Question 119. 25 men with 10 boys can do in 6 days as much work as 21 men with 30 boys can do in days. How many boys must help 40 men to do the same work in 4 days ?
  1.    5
  2.    10
  3.    20
  4.    40
 Discuss Question
Answer: Option B. -> 10
Question 120. 40 men can complete a piece of work in 15 days. 20 more men joined them after 5 days they start doing work. How many days will be required by them to finish the remaining work ?
  1.    $${\text{7}}\frac{2}{3}{\text{ days}}$$
  2.    $${\text{6}}\frac{1}{5}{\text{ days}}$$
  3.    $${\text{8}}\frac{1}{4}{\text{ days}}$$
  4.    $${\text{6}}\frac{2}{3}{\text{ days}}$$
 Discuss Question
Answer: Option D. -> $${\text{6}}\frac{2}{3}{\text{ days}}$$

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