Find the number of men?

A certain number of men can do a piece of work in 40 days. If there had been 8 men more. It could have been finished in 10 days less. Find the number of men?

  1. 32 men
  2. 28 men
  3. 24 men
  4. 34 men
Anurag Mishra Professor Asked on 24th January 2016 in Maths.
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1 Answer(s)

Answer: (3) 24 men 

Explanation:-
Let the number of men be X

Then, 1 work done = X × 40

Then, X × 40 = (X + 8 ) (40 – 10)

40 X = 30 X + 240

10 X = 240

Therefore, X = 240/10 = 24 men.

Hence, the correct answer is option (3) 24 men.

Anurag Mishra Professor Answered on 28th January 2016.
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