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Ajay and Vijay undertake to do a piece of work for Rs. 480. Ajay alone can do it in 75 days while Vijay alone can do it in 40 days. With the help of Pradeep, they finish the work in 25 days. How much should Pradeep get for his work?
60
20
50
None of these
In 24 days, they would have done 1/3 and 5/8 of the work. The remaining work is 1 – (1/3 + 5/8) = 1/24. This means Pradeep has done 1/24th of the work, so he should be paid 1/24th of the amount i.e. 480 × 1/24 = Rs. 20 is the answer.
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