**Time and Work Questions for IBPS/SBI PO, NIACL, NICL, LIC, Dena Bank PO PGDBF, BOI, Bank of Baroda and other competitive exams**

- A cistern can be filled by two pipes separately in 6 and 9 mins respectively. Both pipes are opened together for a certain time but being clogged, only 5/6 of full quantity water flows through the first and only 3/4 through the second pipe. The obstructions, however, being suddenly removed, the cistern is filled in 2 mins from that moment. How long was it before the full flow began?

A) 3 min

B) 2 min

C) 1 min

D) 2.5 min

E) 1.5 min

- Ram and mohan together can complete typing a book of 1575 pages in 25 days working 15 hrs per day. Ram is 20% more efficient than Mohan. A page contains an average of 275 words, then how many words can ram type in an hour?

A) 525

B) 600

C) 625

D)630

E) 645

- Subhash can copy 70 pages in 16 hours ; Subhash and Prakash together can copy 275 pages in 40 hours. In how much time can Prakash copy 30 pages ?

A) 15 hr.

B) 12 hr.

C) 14 hr.

D) 18 hr.

E) None of these.

- A and B together can do a piece of work in 12 days which B and C together can do in 16 days. After A has been working at it for 5 days and B for 7 days, C finishes it in 13 days. In how many days could each do the work by himself ?

A) 24, 12, 36

B) 24, 16, 12

C) 16, 48, 24

D) 24, 36, 12

E) None of these.

- 24 men take 12 days to complete a piece of work . They worked for a period of 4 days . After that , they were joined by 8 more men . How many more days will be taken by them to complete the remaining work?

A) 8 days

B) 9 days

C) 7 days

D) 6 days

E) None of these.

- In two days A, B and C together can finish 1/4 of a work and in another 2 days B and C together can finish 1/5 part of the work. Then A alone can complete the whole work in?

A) 10 days

B) 20 days

C) 40 days

D) 35 days

E) None of these.

- A team of 100 men is supposed to do a work in 60 days. After 35 days, only 5/12 of the work was completed, so to complete the work before 40 more men were employed. If 40 men were not employed, how many extra days were required to complete the work by earlier number of men?

A) 11 days

B) 15 days

C) 12 days

D) 14 days

E) None of these.

- Two typist of varying skills can do a job in 6 minutes if they work together. If the first typist typed alone for 4 minutes and then second typed for 6 minutes , they would be left with 1/5 of the whole work. How many minutes would it take the slower typist to complete the work alone ?

A) 10 min

B) 12 min

C) 15 min

D) 20 min

E) None of these.

- Tap A can fill a tank with water in 10 hrs. Tap B fills the same tank with milk in 12.5 hrs. A man who wanted to fill the tank with the mixture opens tap A first , which already contains 8% milk of its own capacity. After two hours he opened tap B till the tank gets filled completely. In what proportion should he mix this solution with the other one containing water and milk in the ratio 2 : 3, so that the new solution will contain half milk and half water?

A) 2:3

B) 1:1

C) 1:2

D) 2:1

E) 1:3

- A, B, C complete a work in 15, 20 and 30 days . They work together for sometime after which C left. A total of 18000 rs is paid for the work and B gets 6000 rs more than C.For how many days did A work ?

A) 8 days

B) 10 days

C) 12 days

D) 7 days

E) None of these.

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