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Multiple Choice Questions

A tent can be built by a certain number of workers in 20 days But it requires less than 20 workers t...........

Quantitative Aptitude (RBI Grade B) Time and work

A tent can be built by a certain number of workers in 20 days. But it requires less than 20 workers to build it in 30 days. How many workers will build it in 50 days?

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Explanation:

Solution:
Let, x workers can do the work in 20 days.
then no of workers require to finish it in 30 days is 20x / 30
20x/30 = (x – 20)
10x = 600
x = 60
So, No of workers require to finished it in 50 days = (60 * 20) / 50 = 24 workers.

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