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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:

A. 5 kmph

B. 6 kmph

C. 6.25 kmph

D. 7.5 kmph

Correct Answer :

A. 5 kmph


Let Abhay's speed be x km/hr.
Then, 30x - 302x = 3  
6x = 30
x = 5 km/hr.

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