NIFT UG 2019 Question Paper with solutions

Question : 2 of 150

Marks: +1, -0

2 men and 3 women together or 4 men together can complete a piece of work in 20 days. 3 men and 3 women will complete the same work in

Solution:

Given, 2 men +3 women

=4

men

⇒ \;\; 2

men

=3

women
∴ 3 men + 3 women = 5 men [ ∵ 3 women = 2 men]
Now,

\;\; M_{1} D_{1}=M_{2} D_{2} ⇒ 4 × 20=5 × D_{2}

⇒ \;\; D_{2}=\;{4 × 20}/{5}=16

days

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