Question

If 45 labourers can build a wall in 16 hours. How many labourers will be required to do the same work in 15 hour?​

Answer 1

Answer:

Given-

45 labourers build a wall in 16 hours

To find-

How much labourers required to do in 15 hours?

Solution-

In 16 hours, the was is built by 45 labourers. -(Given)

Thus, in 15 hours the was will be built by workers =

$= \frac {45 \times 16}{15} \\ \\ = 3 \times 16 \\ \\ = 48 \: workers$

Ans- 48 workers will be required to do the same work in 15 hours

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Direct Proportional Method