1. 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?
A. Rs. 300
B. Rs. 400
C. Rs. 500
D. Rs. 600
2. A piece of work can be done by 6 men and 5 women in 6 days or 3 men and 4 women in 10 days. It can be done by 9 men and 15 women in how many days?
A. 3 days
B. 4 days
C. 5 days
D. 6 days
3. 10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?
A. 6 days
B. 7 days
C. 8 days
D. 9 days
4. 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?
A. 15 days
B. 10 days
C. 9 days
D. 8 days
5. 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?
A. 5 days
B. 6 days
C. 7.5 days
D. 8.5 days
6. 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?
A. 4 days
B. 5 days
C. 6 days
D. 7 days
7. 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 ?
A. 5 days
B. 6 days
C. 7 days
D. 8 days
8. 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?
A. 1\5
B. 1\6
C. 1\7
D. 1\8
9. A is twice as good as workman as B and together they finish a piece of work in 18 days. In how many days will B alone finish the work?
A. 27 days
B. 54 days
C. 56 days
D. 68 days
10. A can do a job in 16 days, B can do same job in 12 days. With the help of C they did the job in 4 days. C alone can do the same job in how many days?
A. 6 (1/2) days
B. 7 (1/2) days
C. 8 (3/5) days
D. 9 (3/5) days
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