How Many Men Needed to Complete a Job? If

How many men need to be employed to complete a job in 5 days, if 15 men can complete 1/3 of the job in 7 days ?

  1. 20
  2. 21
  3. 45
  4. 63
Manish Listener Asked on 18th June 2015 in Maths.
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1 Answer(s)

Answer: (4) 63
Explanation:-
15 men can complete 1/3 of the job = 7 days
15 men can complete the job = 3 x 7 = 21 days

Let be the X men complete the job in 5 days
Then, X = 15 x 21/5 = 63 men
Hence, the answer is (4) 63

Anurag Mishra Professor Answered on 19th June 2015.
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