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Aptitude :

Time and work




1.
A and B can together complete a piece of work in 4 days. If A alone can complete the same work in 12 days, in how many days can B alone complete that work ?

7 days
4 days
6 days
5 days




2.
A does a work in 10 days and B does the same work in 15 days. In how many days they together will do the same work ?

5 days
6 days
4 days
7 days




3.
A can finish a work in 18 days and B can do same work in half the time taken by A. then working together, what part of same work they can finish in a day

1/6




4.
A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is :

1/4
4/5
7/10
8/15




5.
A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?

12 days
15 days
13 days
11 days




6.
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

24 days
7 days
9 days
8 days




7.
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

20 days
10 days
30 days
40 days




8.
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
20 days
16 days




9.
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

8 days
8.5 days
7.5 days
7 days




10.
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 ?

10 hours
12 hours
12 hours
9 hours




11.
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

500
400
600
300




12.
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?

400
300
375
600










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FreshersLive - No.1 Job site in India. Here you can find latest 2016 government as well as private job recruitment notifications for different posts vacancies in India. Get top company jobs for both fresher and experienced. Job Seekers can get useful interview tips, resume services & interview Question and answer. Practice online test free which is helpful for interview preparation. Register with us to get latest employment news/rojgar samachar notifications. Also get latest free govt and other sarkari naukri job alerts daily through E-mail.