# If Rohan drives car at 48 km/hr he arrives Delhi at 3:00 PM . If he dr

| If Rohan drives car at 48 km/hr he arrives Delhi at 3:00 PM . If he drives car at 80 km/hr he will arrive at the same place at 11.00 AM . At what speed must he drive the car to get there at 1:00 PM ?

A. 50 km/hr

B. 55 km/hr

C. 60 km/hr

D. 62 km/hr

### Right Answer is: C

#### SOLUTION

When he travels at the speed of 80 km/hr he reaches at 11:00 AM.

Let when he travels at the speed of x km/hr he reaches at 1:00 PM.

When he travels at the speed of 48 km/hr he reaches at 3:00 PM.

As there is a fixed difference of 2 hours between these times.

NOTE – If Time is in A.P. and Distance is constant in that case Speed will be in H.P.

⇒ 80 , x , 48 will be in H.P.

Required speed (x)= km/hr

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