Anup start a bike at 6am. and rides it at 60kmph. Raghu started at 7pm with his car at 90kmph. When will Raghu overtake Anup?
Choose the correct choice from the following choices:
A) 9:00am
B) 9:40am
C) 10:00am
D) 12:00pm
E) 11:10am
Suppose bike is overtaken by car xhrs after 6am   Distance covered by the bike in x hrs = distance covered by the car in x-1 hr   60x = 90(x-1)   30x = 90   x = 3 hrs   Required time = 6+3= 
<gadget id="calculator">6+3</gadget>
<output>9</output>
9:00am   9:00amnswer is 9:00am
<result>A</result>
Anup start a bike at 6am. and rides it at 60kmph. Raghu started at 7pm with his car at 90kmph. When will Raghu overtake Anup?