Q: 8 men working for 9 hours a day complete a piece of work in 20 days – McqOptions

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1.	Q: 8 men working for 9 hours a day complete a piece of work in 20 days. In how many days can 7 men working for 10 hours a day complete the same piece of work?
A.	21 days
B.	$$ {20}{3\over 5}\ days $$
C.	$$ {20}{1\over 2}\ days $$
D.	$$ {20}{4\over 7}\ days $$
Answer» E.

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