Harpal is thrice as good a workman as Kewal and takes $10$ days less to do a piece of work than Kewal takes, then Kewal can do that work in

8

days

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12

days

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13

days

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15

days

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Solution

The correct option is D $15$ days
According to the question,
If Harpal completes the work in 1 day, then Kewal completes the work in 3 days.
Hence, if the difference is 2 days, then B completes the work in $3$ days.
If the difference is 10 days, then B complete the work $= \frac{3}{2} \times 10 = 15$ Days.

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Harpal is thrice as good a workman as Kewal and takes 10 days less to do a piece of work than Kewal takes, then Kewal can do that work in

The correct option is D 15 daysAccording to the question,If Harpal completes the work in 1 day, then Kewal completes the work in 3 days.Hence, if the difference is 2 days, then B completes the work in 3 days.If the difference is 10 days, then B complete the work=32×10=15 Days.

Harpal is thrice as good a workman as Kewal and takes $10$ days less to do a piece of work than Kewal takes, then Kewal can do that work in