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**Time and Work Questions**.

**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. 375
- B.Rs. 400
- C.Rs. 600
- D.Rs. 800
- E.None of these

**2-**A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in:

- A.20 days
- B.22 1/2 days
- C.25 days
- D.30 days
- E.None of these

**3-**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?

- A.12 days
- B.15 days
- C.16 days
- D.18 days
- E.None of these

**4-**A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only. Then, C alone can do the job in:

- A.9 1/5 days
- B.9 2/5 days
- C.9 3/5 days
- D.10 days
- E.None of these

**5-**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:

- A.1/4
- B.1/10
- C.7/15
- D.8/15
- E.None of these

**6-**A is thrice as good a workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in:

- A.20 days
- B.22 1/2 days
- C.25 days
- D.27 1/2days
- E.None of these

**7-**A and B together can do a piece of work in 30 days. A having worked for 16 days, B finishes the remaining work alone in 44 days. In how many days shall B finish the whole work alone?

- A.30 days
- B.40 days
- C.60 days
- D.70 days
- E.None of these

**8-**A and B together can complete a work in 12 days. A alone can complete it in 20 days. If B does the work only for half a day daily, then in how many days A and B together will complete the work?

- A.10 days
- B.11 days
- C.15 days
- D.20 days
- E.None of these

**9-**A takes twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in:

- A.4 days
- B.6 days
- C.8 days
- D.12 days
- E.None of these

**10-**If A can do 1/4 of a work in 3 days and B can do 1/6 of the same work in 4 days, how much will A get if both work together and are paid Rs. 180 in all?

- A.Rs. 36
- B.Rs. 60
- C.Rs. 108
- D.Rs. 120
- E.None of these