RRB NTPC Mains or Stage 2 Model Paper 8 with solutions

Question : 32 of 120

Marks: +1, -0

If 15 women or 10 men can complete a project in 55 days, in how many days will 5 women and 4 men working together complete the same project ?

Solution:

(a) 15 W = 10 M
Now, 5W + 4M = 5W

+{4 ×15}/10

W
= 5W+ 6W = 11 W
If 15 women can complete the project in 55 days,
11 women can complete the same project in

{55×15}/11=75

days

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