Question

12 farmers harvest the crop in 20 hours how many farmers will be required to do the same work in 15 hours​

Answer 1

ATQ: 20 hours = 12 farmers

1 hour = 12/20

15 hours = 12/20×15 = 9 farmers

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Answer 2

Answer:

The total number of farmers required to do the work in 15 hours is 16.

Here, we are given that 12 farmers can harvest the crop in 20 hours.

Let the total work be x and the efficiency of each farmer be y

Then, we have: 12 × 20 × y = x

Now, if the work is to be done in 15 hours, let the number of farmers required be z, then-

15 × y × z = x

equating the two equations, we get-

15 × y × z = 12 × 20 × y

15 × z = 12 × 20

15z = 240

z = 240/15

z = 16

Thus, the total number of farmers required to do the work in 15 hours is 16.

Learn more about work here:

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