A can do a piece of work in ‘x’ days and B can do the same work 3x days. To finish the work together they take 12 days. What is the value of ‘x’?

 A can do a piece of work in ‘x’ days and B can do the same work 3x days. To finish the work together they take 12 days. What is the value of ‘x’?

A). 8

B). 10

C). 12

D). 16

---

Join Telegram Group

Answer This Question
Name:
Email:
Answer :
Sum of (5+5)
Submit:

Other Questions

1.  Two persons A and B can complete a piece of work in 24 days, while A alone can do the same piece of work in 40 days. In how many days can B alone finish the work ?

2. A, B and C can complete a work in 20, 24 and 30 days respectively. All three of them starts together but after 4 days A leaves the job and B left the job 6days before the work was completed. C completed the remaining work alone. In how many days was the total work completed?

3.  A is 30% more efficient than B. a can complete a work in 23 days. If A and B work together, how much time will it take to complete the same work?

4. P can complete a work in 15 days and Q in 24 days. They began the work together but Q left the work 2 days before its completion. In how many days was the work completed?

5. A can do a piece of work in 60 days. He works for 15 days and then B alone finishes the remaining work in 30 days. The two together can finish the work in

6.  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?

7. .A can finish a work in 7 days . B can finish the same work in 9 days . The days required to finish the work by both of them together.

8.  A certain number of men can do a work in 54days. If there were 6 men more it could be finished in 6 days less. How many men were there in the beginning?

9.  When A, B and C are deployed for a task , A and B together do 70% of the work and B and C together do 50% of the work. who is most efficient?

10.  A, B and C can do a work in 6, 8 and 12 days respectively doing the work together and get a payment of Rs.1800. What is B’s share?