A can do a certain work in 12 days, B alone can do the same work in 16 days. A…
2020
A can do a certain work in 12 days, B alone can do the same work in 16 days. A and B undertook to complete it in Rs. 8000. With the help of C, they completed the work in 6 days. How much money (in Rs.) be paid to B?
- A.
4000
- B.
3000
- C.
2000
- D.
1000
Attempted by 3 students.
Show answer & explanation
Correct answer: B
A's 1-day work = 1/12 and B's 1-day work = 1/16.
In 6 days, B completes 6/16 = 3/8 of the total work.
Since the total payment is Rs. 8000, B's share = 3/8 x 8000 = Rs. 3000.