X can do a piece of work in 40days.
X can do a piece of work in 40days. He works at it for 8 days and then Y finished it in 24 days. How long will Y take to complete the work?
Answer/Solution
30
Steps/Work
Work done by X in 8days = 8*1/40 = 1/5
Remaining work = 1 - 1/5 = 4/5
4/5 work is done by Y in 24 days
Whole work will be done by Y in 24*5/4 = 30days
Answer is A
Remaining work = 1 - 1/5 = 4/5
4/5 work is done by Y in 24 days
Whole work will be done by Y in 24*5/4 = 30days
Answer is A