Question

A can do $50\%$ more work as B can do in the same time. B alone can do a piece of work in 20 hours. A, with help of B, can finish the same work in how many hours?

• A. 12
• B. 8
• C. $13(\frac{1}{2})$
• D. $5(\frac{1}{2})$

Answer 1

Answer: (B)

8

Answer 2

The correct option is (B) : 8