10 Questions
| Attempts: 100

Questions and Answers

- 1.
**A can do a piece of work in 10 days which B alone can do in 12 days. In how many days will they finish the work, both working together?**- A.
10/11

- B.
60/11

- C.
22/11

- D.
50/11

- 2.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.
8/15

- B.
20/15

- C.
10/15

- D.
16/15

- 3.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.
12/16

- B.
16/12

- C.
48/5

- D.
15/5

- 4.
**Two persons A and B working together can dig a trench in 8 hours while A alone can dig it in 12 hours. In how many hours B alone can dig such a trench?**- A.
24 HOURS

- B.
12 HOURS

- C.
28 HOURS

- D.
32 HOURS

- 5.A and B together can complete a piece of work in 35 days while A alone can complete the same work in 60 days. B alone will be able to complete the same working in ?
- A.
84 DAYS

- B.
25 DAYS

- C.
30 DAYS

- D.
65 DAYS

- 6.
**3 men can complete a piece of work in 6 days. Two days after they started the work, 3 more men joined them. How many days will they take to complete the remaining work?**- A.
6 DAYS

- B.
2 DAYS

- C.
5 DAYS

- D.
4 DAYS

- 7.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.
45/2 DAYS

- B.
40/5 DAYS

- C.
50/2 DAYS

- D.
60/2 DAYS

- 8.Worker A takes 8 hours to do a job. Worker B takes 10 hours to do the same Job.How long should it take both A and B, working together but independently, to do the same job?
- A.
40/9

- B.
60/9

- C.
70/9

- D.
90/9

- 9.If 34 men completed 2/5th of a work in 8 days working 9 hours a day. How many more man should be engaged to finish the rest of the work in 6 days working 9 hours a day?
- A.
209 MEN

- B.
201 MEN

- C.
102 MEN

- D.
109 MEN

- 10.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.
400

- B.
500

- C.
450

- D.
550

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