In How Many Hours will 8 Boys Complete the Same Work?

6 boys can complete a piece of work in 16 h. In how many hours will 8 boys complete the same work?

  1. 10
  2.  8
  3.  12
  4.  14
jitendraei Default Asked on 29th July 2015 in Maths.
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1 Answer(s)

Answer: (3) 12 hr
Explanation:-
Given = M1 = 6, H1 = 16, M2 = 8  & H2 = ?

Formula-
M1 H1 = M2 H2
Where, M = number of men  & H = number of hours.

Then, 6 x 16 = 8 x H2
H2 = 96/8
H2 = 12
Hence, 8 boys complete the same work in 12 hr.

Anurag Mishra Professor Answered on 29th July 2015.
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