X can do a piece of work in 20days.

X can do a piece of work in 20days. He works at it for 10days and then Y finished it in 12days. How long will Y take to complete the work?

Quiz

Answer/Solution

24

Steps/Work

Work done by X in 10days = 10*1/20 = 1/2
Remaining work = 1 - 1/2 = 1/2
1/2 work is done by Y in 12days
Whole work will be done by Y in 12*2 = 24days
Answer is C

Physics Calculator / Auto Solver

X can do a piece of work in days. He works at it for days and then y finished it in days. How long will y take to complete the work?

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