RRB NTPC 17 January 2017 Paper

Question : 43 of 120

Marks: +1, -0

3 men dig a hole in 10 days. How many days would it take for 5 men to dig the same hole?

Solution:

(4) No. of men = 3
Time taken by them = 10 days
Time taken by one man to complete the work = 3×10 days = 30 days
Time taken by 5 men =

30/5

= 6 days

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