A) 31
B) 29
C) 25
D) 27
Correct Answer: D
Solution :
\[\because \] 45 men working 12h a day complete a work in = 30 days \[\therefore \]1 man working 1 h a day complete a work in\[=30\times 45\times 12\]days \[\therefore \] 60 men working 10 h a day complete a work in\[=\frac{30\times 45\times 12}{60\times 10}\]= 27 daysYou need to login to perform this action.
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