Question

A contractor employed 69 men to complete a work in 20days .how many more men should he employed in order to finish the work in 12days? ​

Answer 1

Answer:

Let there be x men originally.

x men finish the work in 60 days and (x+8) finish it in 50 days.

x men finish the job in 60 days.

1 man can finish it in 60x days.

(x+8) men can finish the job in 50 days.

1 man can finish it in 50(x+8) days.

Therefore,

60x=50(x+8)

10x=400

x=40

Answer 2

Answer:

115 men

Step-by-step explanation:

In 20 days work =69 men

So, in 1 day=69*20men

=1380men

So, In 12 days=1380/12

=115 men

Remember that when we are finding out the no. of men in 12 days it will take more men to complete the same work.

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