A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is:

8.5 km/hr

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9 km/hr

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10 km/hr

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12.5 km/hr

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Solution

The correct option is C 10 km/hr
Man's rate in still water $= (15 - 2.5) k m / h r = 12.5 k m / h r .$
Man's rate against the current $= (12.5 - 2.5) k m / h r = 10 k m / h r .$

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Similar questions

A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is

15

2.5

1^{s t}

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