In covering a distance of 60 km, A takes 2 hours more than B. If A doubles his speed, then he would take 1 hour less than B. A's speed is:
Choose the most appropriate option:	A) 5 km/h	B) 8 km/h	C) 10 km/h	D) 15 km/h	E) 25 km/h
Let A's speed be X km/hr.   Then, 60/x - 60/2x = 2   6x = 60   x = 10 km/hr.   Answer : 10 km/h
<result>C</result>
In covering a distance of 60 km, A takes 2 hours more than B. If A doubles his speed, then he would take 1 hour less than B. A's speed is: