SSC CPO SI and ASI Model Paper 7

Question : 115 of 200

Marks: +1, -0

75 men working 8 hours a days can do a work in 27 days. How many days are required by 45 men working 12 hours a day to complete the work?

Solution:

(2) Let 45 men working 12 hours aday can finish the work in D days.

∵ M_1×W_1×D_1 = M_2×W_2×D

Then,

75 × 27 × 8 = 45 × 12 × D

⇒D = 30

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