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:
Let Abhay's speed be x km/hr.
Then,
=> (30/x) – (30/2x) = 3
=> 6x = 30
=> x = 5kmph
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