In covering a distance of 30 km, Abhay takes 2 hours more than Sameer. If Abhay doubles his speed, then he would take 1 hour less than Sameer. Abhay's speed is:

5 kmph

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7 kmph

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6.25 kmph

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7.5 kmph

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Solution

The correct option is A 5 kmph
Let Abhay's speed be x km/hr.
Then, $\frac{30}{x} - \frac{30}{2 x} = 3$
$\Rightarrow 6 x = 30$ $\Rightarrow x = 5 k m / h r$ .

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In covering a distance of 30 km, Abhay takes 2 hours more than Sameer. If Abhay doubles his speed, then he would take 1 hour less than Sameer. Abhay's speed is:

The correct option is A 5 kmphLet Abhay's speed be x km/hr.Then, 30x−302x=3⇒6x=30⇒x=5km/hr.

The correct option is A 5 kmph
Let Abhay's speed be x km/hr.
Then, $\frac{30}{x} - \frac{30}{2 x} = 3$
$\Rightarrow 6 x = 30$ $\Rightarrow x = 5 k m / h r$ .