5. Arun and Ashwini complete a task by themselves in 20 and 25 days respectively. Can
you tell the percentage by whichArun works more efficientlythan Ashwini?
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8
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Step-by-step explanation:
Arun does work _ in 20 days
ashwini does same work in _25 days
Take Least comman factor of both or take work done by both in one day I. e = 1/20 and 1/25 respectively
efficency =
=5/4 whole divided by 100
=1/100
therefore efficency = 1 %
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