A and B undertake a project worth Rs 54000 A alone can do the work in 10 days They work together for...........

Quant (SSC) Time and work

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?

21600

33400

27800

35780

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Explanation:

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 = 4/10 x 54000 = 21600