A takes 3 hours more than B to walk a...

`A` takes 3 hours more than `B` to walk a distance of 30 km. But, if `A` doubles his pace (speed) he is ahead of `B` by `1 1/2` hours. Find the speeds of `A` and `B` .

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The correct Answer is:

Ramesh's speed = `(10)/(3)` km/hr, Mohan's speed = 5 km/hr

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