1.

3 men and 2 boys finished a works in 6days. 5 men and 7 boys finished the same work in 3 days. In how many days 2 men and 5 boys can complete this work ?

Answer»

your answer

  • 3m+2B=1/6
  • 5m+7b=1/3
  • solve these EQUATIONS, we get
  • m=3 and b=1
  • putting the VALUE of m and b in eqn 1st we get 66 works
  • according to the question 2m+5b after calculating by value of m and b we get 6 efficiency.
  • now divide to work by efficiency we get 6 days

6 Days



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