A and B together can do a piece of work in 9 days. If A does thrice the work of B in a given time, the time A alone will take to finish the work is

A and B together can do a piece of work in 9 days. If A does thrice the work of B in a given time, the time A alone will take to finish the work is
1). 4 days
2). 6 days
3). 8 days
4). 12 days

SSC CGL Books

---

Join Telegram Group

Answer This Question
Name:
Email:
Answer :
Sum of (2+4)
Submit:

Other Questions

1. 5 men can do a piece of work in 6 days while 10 women can do it in 5 days. In how many days can 5 women and 3 men do it ?

2.  If 12 men and 16 boys can do a piece of work in 5 days and 13 men together will 24 boys can do it in 4 days. Compare the daily work done by a man with that of a boy.

3. A cistern has two pipes A and B. A can fill it in 16 minutes and B can fill it 20 minutes. If another pipe C can empty it in 40 min, how much time will it take to be filled, if all the pipes opened at the same time?

4. A and B can do a piece of work in 8 days, B and C can do it in 24 days, while C and A can do it in $8\frac{4}{7}$ days. In how many days can C do it alone ?

5. If 5 men or 8 women can do a piece of work in 12 days, how many days will be taken by 2 men and 4 women to do the same work ?

6.  A and B can do a piece of work in 72 days; B and C can do it in 120 days; A and C can do it in 90 days In what time can A alone do it?

7. A work can be finished In 14 days by 36 workers. If the work were to be finished in 8 days, how many additional workers would be required ?

8. X can finish 25% of a work in day. Y can do 12.5% of the same work in a day. In how many days, will both of them finish the work together?

9.  16 men or 20 women can finish a work in 25 days. How many days 28 men and 15 women will take to finish this job?

10.  If 5 men and 2 boys working together, can do four times as much work per hour as a man and a boy together. Find the ratio of the work done by a man and that of a boy for a given time?