Question

A and B undertake a project worth Rs. 54000 . A alone can do the work in 10 days. They work together for 3 days. After 3 days, B works alone for 3 days and A completes the remaining work in 3 more days.What is the share of B in the earnings? 

1. Rs 21600
2. Rs 2200
3. Rs 24500
4. Rs 2600
5. Rs 33333

Answer 1

Correct Answer - Option 1 : Rs 21600
A can do 10% work in a day. A has worked 6 days in total. And so has B

A completed 60% work in 6 days and B did 40% in 6 days.

Efficiency of A and B = 6 : 4
 

B's share =	4	× 54000 = 21600
	10