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Question
Dev and Steve take 15 days and 18 days respectively to complete a job. If they work on alternate days, the work will be completed on which day?
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Answer
its easy do with % method
100/15=6.66% and 100/18=5.55% both can do 12.222% now 100/12.222= 8% now they have two person so 8*2=16 days
