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A runner is running at a speed of 40 km/...

A runner is running at a speed of 40 km/h. If he runs at a speed of 30 km/h, then what will the decrease in the percentage of his speed be?

A

`15%`

B

`20%`

C

`25%`

D

`30%`

Text Solution

Verified by Experts

The correct Answer is:
C
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