# Time and Work

## Trending Questions

**Q.**

A and B can do a piece of work in 12 days, B and C in 15 days and C and A in 20 days. How much time will A alone take to finish the job?

**Q.**

A can do a piece of work in 10 days, B in 12 days and C in 15 days. All begin together but A leaves the work after 2 days and B leaves 3 days before the work is finished. How long did the work last?

**Q.**

A and B can do a piece of work in 18 days. B and C can do it in 24 days while C and A can finish it in 36 days. In how many days can A, B, C finish it. if they all work together?

**Q.**

If 15 men can complete a piece of work in 30 days, in how many days will 18 men complete it?

**Q.**

Two pipes can fill a tank in 10 hours and 12 hours respectively, while a third pipe empties the full tank in 20 hours. If all the three pipes operate simultaneously, in how much time will the tak be full?

(a) 7 hrs 15 min

(b) 7 hrs 30 min

(c) 7 hrs 45 min

(d) 8 hrs

**Q.**

3 men or 5 women can do a work in 12 days. How long will 6 men and 5 women take to do it?

(a) 6 days

(b) 5 days

(c) 4 days

(d) 3 days

**Q.**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?

- Rs. 1600
- Rs. 800
- Rs. 400
- None of these

**Q.**

A can do a piece of work in 20 days which B alone can do in 12 days. Both started working together, B worked at it for 9 days. A can finish the remaining work in

(a) 3 days

(b) 5 days

(c) 7 days

(d) 11 days

**Q.**

A can do a piece of work in 10 days and B in 15 days. How long will they take together to finish it?

**Q.**

To complete a work, A takes 50% more time than B. If together they take 18 days to complete the work, how much time shall B take to do it?

(a) 30 days

(b) 35 days

(c) 40 days

(d) 45 days

**Q.**

A and B can finish a piece of work in 16 days and 12 days respectively. A started the work and worked at it for 2 days. He was then Joined by B. Find the total time taken to finish the work.

**Q.**

If 36 men can do a piece of work in 25 days, in how many day will 15 men do it?

**Q.**

A factory requires 42 machines to produce a given number of articles in 63 days. How many machines would be required to produce the same number of articles in 54 days?

**Q.**

A. B and C can do a piece of work in 15, 12 and 20 days respectively. They started the work together. but C left after 2 days. In how many days will the remaining work he completed by A and B?

**Q.**

Pipes A and B can fill an empty tank in 10 hours and 15 hours respectively. If both are opened together in the empty tank, how much time will they take to fill it completely?

**Q.**

A works twice as fast as B. If both of them can together finish a piece of work in 12 days, then B alone can do it in

(a) 24 days

(b) 27 days

(c) 36 days

(d) 48 days

**Q.**

Rahul can do 2/7 of a certain work in 6 days while Suresh can do 3/5 of the same work in 9 days. They started work together but after 7 days Tahul left the work. Find in how many days Suresh can complete the remaining work?

**Q.**

A and B can do a piece of work in 6 days and 4 days respectively. ′A′ started the work; worked at it for 2 days and then was joined by B. Find the total time taken to complete the work.

**Q.**

Pipe A can fill an empty tank in 5 hours while pipe B can empty the full tank In 6 hours. If both are opened at the same time in the empty tank, how much time will they take to fill it up completely?

**Q.**

If 12 men or 18 women can complete a piece of work in 7 days, in how many days can 4 men and 8 women complete the same work?

**Q.**

A pump can fill a tank in 2 hours. Due to a leak in the tank It takes 213 hours to fill the tank. The leak can empty the full tank in

(a) 21 hours

(b) 7 hours

(c) 8 hours

(d) 14 hours

**Q.**

If 12 men and 16 boys can do a piece of work in 5 days and 13 men and 24 boys can do it in 4 days, how long will 7 men and 10 boys take to do it?

**Q.**

A can do 14 of a work in 5 days and B can do 13 of the same work in 10 days. Find the number of days in which both working together will complete the work.

**Q.**

A does 20% less work than B. If A can finish a piece of work in 72 hours, then B can finish it in

(a) 5 hours

(b) 512 hours

(c) 6 hours

(d) 612 hours

**Q.**

A can do a job in 16 days and B can do the same job in 12 days. With the help of C, they can finish the job in 6 days only. Then, C alone can finish it in

(a) 34 days

(b) 22 days

(c) 36 days

(d) 48 days

**Q.**

A and B. working together can finish a piece of work in 6 days, while A alone can do it in 9 days. How much lime will B alone take to finish it?

**Q.**

Three taps A, B, and C can fill an overhead tank in 6 hours, 8 hours, and 12 hours respectively. How long would the three taps take to fill the empty tank, if all of them are opened together?

**Q.**

A, B and C working together can finish a piece of work in 8 hours. A alone can do it in 20 hours and B alone can do It in 24 hours. In how many hours will C atone do the salve work?

**Q.**

A car takes 2 hours to reach a destination by travelling at 60 km / hr. How long will it take while travelling at 80 km / hr ?

(a) 1 hr 30 min (b) 1 hr 40 min

(c) 2 hrs 40 min (d) none of these

**Q.**

A can do a piece of work In 24 hours while B alone can do it in 16 hours. If A, B and C working together can finish it in 8 hours, in how many hours can C alone finish the work?