Question

If 80 men dug 4 holes in 12 months, how many men would be required to dig 6 holes in 4 months ? (A) 40 men (B) 410 men (C) 360 men (D) 140 men​

Answer 1

Answer:

4 holes in 12 minutes

1 hole by 80 men = 4/12

4/12 * 6/4  Cross multiplication

So it will be 80 x 12 / 4 = 240 man – months per hole.

Now let m be number of men required.

So 4 men will be 240 x 6 = 1440

So for 1 man it will be 1440 / 4

Answer - 360 MEN

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