RRB NTPC Mains or Stage 2 Model Paper 1 with solutions

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Question : 86 of 120

Marks: +1, -0

16 men built a model in 35 days. How may days would it take for 25 men?

22.2
22.1
22
22.4

Solution:

(4)

M_1D_1 = M_2D_2

⇒ 16 × 35 = 25 × D_2

⇒ D_2 =

{16× 35}/25=112/5

= 22.4 days

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