Work and Time MCQs with Answers

If 120 men can build a building in 30 days, how many days will 80 men take to build the same building?

• A.40 days
• B.50 days
• C.45 days
• D.20 days

If 18 men can eat 20 kg of rice in 3 days, how long will 6 men take to eat 40 kg of rice?

• A.12 days
• B.15 days
• C.18 days
• D.20 days

A group of people has provisions for 29 days for 24 men. If after 4 days, $\frac{1}{6}$ of them desert, then how long will the remaining food last for the remaining men?

• A.30 days
• B.28 days
• C.36 days
• D.32 days

If Arif can read 39 pages of a book in half an hour, how long will it take him to finish a book that is 1287 pages?

• A.$15.5$ hours
• B.$17.5$ hours
• C.$16.5$ hours
• D.$18.5$ hours

Twelve children take sixteen days to complete a work which can be completed by eight adults in twelve days. Sixteen adults started working and after three days, ten adults left and four children joined them. How many days will they take to complete the remaining work?

• A.$6$ days
• B.$8$ days
• C.$4$ days
• D.$10$ days

Past Paper MCQ

If a dishwasher cleans 1350 dishes in 1 hour, how many dishes will it wash in 16 minutes?

• A.$400$
• B.$320$
• C.$360$
• D.$375$

A contractor estimates that 3 persons could rewire Jamal's house in 4 days. If he uses 4 persons instead of 3, how long should they take to complete the job?

• A.$\frac{16}{3}$ days
• B.$2$ days
• C.$5$ days
• D.$3$ days

If 28 men can finish a work in 15 days, 21 men can finish the same work in ?

• A.18 days
• B.20 days
• C.22 days
• D.24 days

A factory makes 560 fans in 7 days with the help of 20 machines. How many fans can be made in 12 days with the help of 16 machines?

• A.$640$
• B.$768$
• C.$840$
• D.$960$

If 3 men or 4 women can construct a wall in 43 days, then the number of days that 7 men and 5 women take to construct it is:

• A.$10$ days
• B.$15$ days
• C.$18$ days
• D.$12$ days