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To complete a piece of work, A takes 50% more time than B. If together they take 18 days to complete the work, how much time will B take to do it?
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Explanation:
Ratio of time
A : B
3 : 2
[A\B=150%\100%=3\2]
efficiency of work =2:3(Efficiency is always inversely proportion to time)
Total work = 18days×(2+3) unit
= 90 units
B completes the work in
=90units\3units/day= 30 days