13. Eighteen mėn take 30 days to complete a piece of
work working 10 hours a day. Find the time taken by
25 men to complete five times as much work
working 12 hours a day.
(A) 30 days
(B) 36 days
(C) 72 days
(D) 90 days
Answers
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Answer:
90 days
Step-by-step explanation:
formula:
where, work1=work done by the first group of men
work2=work done by the second group of men
M= number of men, D=Number of days, H= Number of hours a day
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