If 15 men can make a wall in 48 hours, how many men will make it in 30

1.	If 15 men can make a wall in 48 hours, how many men will make it in 30 hours?
A.	20
B.	40
C.	24
D.	None of the above
Answer» D. None of the above

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If 15 men can make a wall in 48 hours, how many men will make it in 30 hours?

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