In covering a distance of 30 km, A takes 2 hours more than B. If Abhay doubles his speed, then he would take 1 hour less than B. A's speed is:  Choose the most appropriate option
A) 5 kmph  B) 6 kmph  C) 6.25 kmph  D) 7.5 kmph  E) 8.5 kmph
Let A's speed be x km/hr.   Then, 30/x -30/2x = 3   --&gt; 6x = 30   --&gt; x = 5 km/hr.   5 kmphnswer : 5 kmph.
<result>A</result>
In covering a distance of 30 km, A takes 2 hours more than B. If Abhay doubles his speed, then he would take 1 hour less than B. A's speed is: