Question

 X can do ¼ of a work in 10 days, Y can do 40% of work in 40 days and Z can do 1/3 of work in 13 days. Who will complete the work first? 

A.    X


B.    Y


C.    Z


D.    None of the above.

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Answer 1

Answer : C.

Whole work will be done by X in 10*4 = 40 days.

Whole work will be done by Y in (40*100/40) = 100 days.

Whole work will be done by Z in (13*3) = 39 days

Therefore, Z will complete the work first.

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