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Quantitative Aptitude

TIME AND WORK MCQs

Time & Work, Work And Wages

Total Questions : 1512 | Page 14 of 152 pages
Question 131. 12 men can do a piece of work in 15 days and 20 women can do the same work in 12 days. In how many days can 5 men and 5 women complete the same work ?
  1.    $${\text{20}}\frac{4}{7}{\text{ days}}$$
  2.    $${\text{2}}\frac{4}{7}{\text{ days}}$$
  3.    $${\text{20}}\frac{3}{7}{\text{ days}}$$
  4.    18 days
 Discuss Question
Answer: Option A. -> $${\text{20}}\frac{4}{7}{\text{ days}}$$
Question 132. X can do a piece of work in 24 days. When he had worked for 4 days, Y joined him. If complete work was finished in 16 days, Y can alone finish that work in ?
  1.    18 days
  2.    27 days
  3.    36 days
  4.    42 days
 Discuss Question
Answer: Option C. -> 36 days
Question 133. 6 men can complete a piece of work in 12 days, 8 women can complete the same piece of work in 18 days and 18 children can do it in 10 days. 4 men, 12 women and 20 children do the work for 2 days. If the remaining work be completed by men only in 1 day, how many men will be required ?
  1.    36
  2.    24
  3.    18
  4.    Cannot be determined
 Discuss Question
Answer: Option A. -> 36
Question 134. 16 men can finish a piece of work in 49 days. 14 men started working and 8 days they could finish certain amount of work. If it is required to finish the remaining work in 24 days. How many more men should be added to the existing workforce ?
  1.    21
  2.    28
  3.    16
  4.    14
 Discuss Question
Answer: Option D. -> 14
Question 135. A can do a piece of work in 12 days and B in 20 days. If they together work on it for 5 days, and remaining work is completed by C in 3 days, then in how many days can C do the same work alone ?
  1.    10 days
  2.    9 days
  3.    12 days
  4.    15 days
 Discuss Question
Answer: Option B. -> 9 days
Question 136. A and B work together to complete the rest of a job in 7 days. However,$$\frac{{37}}{{100}}$$ of the job was already done. Also the work done by A in 5 days is equal to the work done by B in 4 days. How many days would be required by the fastest worker to complete the entire work ?
  1.    20
  2.    25
  3.    30
  4.    10
 Discuss Question
Answer: Option A. -> 20
Question 137. A can do a work in 10 days. The efficiency of A is 20% less than B. How many days B need to finish the same work?
  1.    8.5 days
  2.    12.3 days
  3.    8 days
  4.    7.5 days
 Discuss Question
Answer: Option C. -> 8 days
Question 138. A group of workers can complete a piece of work in 50 days, when they are working individually. On the first day one person works, on the second day another person joins him, on the third day one person joins them and this process continues till the work is completed. How many approximate days are needed to complete the work ?
  1.    8 days
  2.    9 days
  3.    10 days
  4.    11 days
 Discuss Question
Answer: Option C. -> 10 days
Question 139. A can do a piece of work in 20 days and B in 15 days. With help of C, they finish the work in 5 days. In how many days C alone can do the same work ?
  1.    5 days
  2.    6 days
  3.    10 days
  4.    12 days
 Discuss Question
Answer: Option D. -> 12 days
Question 140. Shashi can do piece of work in 20 days. Tanya is 25% more efficient than Sashi. The number of days taken by Tanya to do the same piece of work is = ?
  1.    15
  2.    25
  3.    18
  4.    16
 Discuss Question
Answer: Option D. -> 16

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