If $m$ men can do a job in $p$ days, then $(m + r)$ men can do the job in how many days?

(p + r)

days

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\frac{m p}{m + r}

days

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\frac{p}{m + r}

days

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\frac{m + r}{p}

days

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Solution

The correct option is B $\frac{m p}{m + r}$ days
Using direct & Indirect proportion
If m men do work in p days
then (m+r) men can do work in $\frac{m p}{m + r}$ days

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If m men can do a job in p days, then (m+r) men can do the job in how many days?

The correct option is B mpm+r daysUsing direct & Indirect proportionIf m men do work in p daysthen (m+r) men can do work in mpm+r days

If $m$ men can do a job in $p$ days, then $(m + r)$ men can do the job in how many days?

The correct option is B $\frac{m p}{m + r}$ days
Using direct & Indirect proportion
If m men do work in p days
then (m+r) men can do work in $\frac{m p}{m + r}$ days