Question

Rahul and Ram undertake to do apiece of work for1500. Rahul alone can do it in 10 days, while Ram alones can do it in 12 days. With the assistance of a boy they finish it in 4 days. The share of the boy is
a) 800 b) 600 c) None of these d) 600 e) 500

Answer 1

Answer:

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Step-by-step explanation:

Answer 2

Answer:

Boy finish the work in 15 day

so his share would be 15x/60    (As  x/10+x/12+x/15 = 1500)

x = 6000

so Boy earns = 400/-