Question

1 - 1. A job can be done in 48 hours by 12 people. How many people would be needed to do
the same job in 8 hours?
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Answer 1

Answer:

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Answer 2

Concept

The concept of work and time is similar to all arithmetic topics that is the concept of proportionality.

Given

A job is done in 48 hours by 12 people

Find

How many people are required to complete the same job in 8 hours

Solution

We are given that 12 people required to complete the work in 48 hours.

So, lets first calculate total people-hours then we will find number of people for completing the work in 8 hours.

Total people-hour = (12people) * (48 hours) = 576 people-hour

Number of people required for completing the work in 8 hours

= 576 / 8

= 72

72 people will complete the work in 8 hours

If 12 people complete the job In 48 hours than 72 people will complete the same job In 8 hours..

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