Question
Sudhir is 4.5 times as efficient as Aarav. If they work
together, they can complete a piece of work in 8 days. How many days will Aarav take to do the same work alone?Solution
Efficiency of Sudheer and Aarav=4.5 and 1. Sudheer       Aarav 4.5             1 They work together with total efficiency – 4.5+1=8days. Total work =8×5.5=44unit. Aarav takes time the complete work =44/1=44days.
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