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Question

A man working $$8$$ hours a day takes $$5$$ days to complete a project. How many hours a day must he work to complete it in $$4$$ days?


A
10 hours
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B
11 hours
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C
12 hours
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D
14 hours
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Solution

The correct option is B $$10$$ hours
Number of Hours required to do the $$Work$$ in $$5$$ days
$$\Rightarrow 5\times 8=40$$

To do the Same $$Work$$ in $$4$$ days 
$$\Rightarrow 4\times hours=40$$

$$\Rightarrow hours =10$$

Therefore Answer is $$(A)$$

Mathematics

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