Time and Work MCQ - Multiple Choice Question and Answer

Time and Work MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 15
A does half as much work as B in three-fourth of the time. If together they take 18 days to complete the work, how much time shall B take to do it

25 days
26 days
28 days
30 days

Question No : 16
To complete a work A and B takes 8 days, B and C takes 12 days, A,B and C takes 6 days. How much time A and C will take

12 days
8 days
18 days
24 days

Question No : 17
A is thrice as good a workman as B and takes 10 days less to do a piece of work than B takes. B alone can do the whole work in

15 days
10 days
8 days
6 days

Question No : 18
A can do a piece of work in 15 days and B alone can do it in 10 days. B works at it for 5 days and then leaves. A alone can finish the remaining work in

5 days
6.5 days
7.5 days
8 days

Question No : 19
A can do a piece of work in 4 hours . A and C together can do it in just 2 hours, while B and C together need 3 hours to finish the same work. In how many hours B can complete the work ?

12 hours
15 hours
17 hours
20 hours

Question No : 20
A completes 80% of a work in 20 days. Then B also joins and A and B together finish the remaining work in 3 days. How long does it need for B if he alone completes the work?


Question No : 21
A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C

Rs. 200
Rs. 400 
Rs. 600
Rs. 800