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Multiple Choice Questions

Ajay and Vijay undertake to do a piece of work for Rs 480 Ajay alone can do it in 75 days while Vija...........

Quantitative Aptitude (RBI Grade B) Time and work

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?

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Explanation:

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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