A can do a certain work in 12 days, B alone can do the same work in 16 days. A…
2019
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?
Answer: B. 3000 — 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…
- A.
4000
- B.
3000
- C.
2000
- D.
1000
Attempted by 10 students.
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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.
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