If $15$ men can do a piece of work in $20$ days. In how many days can $25$ men finish the same work?

12

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15

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2

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20

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Solution

The correct option is B $12$
Using direct proportion method
15 men do work in 20 days
Therefore 25 men do work in $15 * \frac{20}{25} = 12$

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If 15 men can do a piece of work in 20 days. In how many days can 25 men finish the same work?

The correct option is B 12Using direct proportion method15 men do work in 20 daysTherefore 25 men do work in 15∗2025=12

If $15$ men can do a piece of work in $20$ days. In how many days can $25$ men finish the same work?

The correct option is B $12$
Using direct proportion method
15 men do work in 20 days
Therefore 25 men do work in $15 * \frac{20}{25} = 12$