X can do a piece of work in 'p' days and Y can do the same work in 'q' days . Then the number of days in which X and Y can together do that work is

X can do a piece of work in 'p' days and Y can do the same work in 'q' days . Then the number of days in which X and Y can together do that work is
1). pq
2). p+r
3). $\frac{pq}{p+q}$
4). p

SSC CGL Books

---

Join Telegram Group

Answer This Question
Name:
Email:
Answer :
Sum of (1+3)
Submit:

Other Questions

1. Two inlet pipes can fill a cistern in 20 and 24 hours respectively and an outlet pipe can empty 160 gallons of water per hour. All the three pipes working together can fill the empty cistern in 40 hours. What is the capacity (in gallons) of the tank?

2. A and B together can complete a work in 24 days. B alone does 1/3rd part ofthis work in 12 days. How many days will A alone take to complete the remaining work?

3.  Two persons A and B can complete a piece of work in 30 days and 45 days respectively. If they work together, what part of the work will be completed in 3 days?

4. A can do a piece of work in 20 days which B can do in 12 days. B worked at it for 9 days. A can finish the remaining work in

5. Ram and Shyam together can finish a job in 8 days. Ram can finish the same job on his own in 12 days. How long will Shyam alone take to finish that work?

6.  A does 20% less work than B. if A can complete a piece of work in 7 ½ hours, then B can do it in

7.  24 men complete a work in 12 days. In how many days can 18 men complete the same piece of work ?

8. A can complete the whole work in 18 days alone when A is assisted by B, they can complete the whole work in 12 days, When B is assisted by C, B and C together can complete the work in 9 days, if A get an amount of Rs. 500, then find the amount received by C.

9. A can do a piece of work in 18 days and B in 12 days. They began the work together, but B left the work 3 days before its completion. In how many days, in all, was the work completed?

10.  Sreedhar and Sravan together can do a work in 25 days. With the help of Pavan, they completed the work in 8 days and earned Rs. 225. What is the share of Sravan, if Sreedhar alone can do the work in 7