SSC CGL Tier II 12 Jan 2017 Paper 1

Question : 12 of 100

Marks: +1, -0

Working 7 hours in a day, 4 men can do a piece of work in 8 days. Working 8 hours in a day, the required number of men to perform the same work in 4 days will be

Validate

Solution:

(3) According to the question,

{M}_{1} {D}_{1} {T}_{1}= {M}_{2} {D}_{2} {T}_{2}

⇒ 4× 8× 7= {M}_{2} × 4 × 8

⇒{M}_{2}= {4 × 8 × 7}/{4 × 8}=7 {\men}

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