A can do a piece of work in 8hrs and B can do it in
10hrs. If they worked together for 2hrs, then what
fraction of work will be left
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1
Answer:
18/40
Step-by-step explanation:
work done by A in 1 hour = 1/8
work done by B in 1 hour = 1/10
work done by A and B together in 1 hour =1/8 +1/10= 9/40
therefore work done in 2 hours =9/40×2 =18/40
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