Akhil drives a car from his home to office at an average speed of 50 km/h and reaches office 10 minutes early. But one day due to some problem with the car, he could drive at an average speed of 30 km/h only and reached office 10 minutes late. How far is his office from home?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 25 km.
Formula used:
Speed = distance/time
Calculations:
When akhil drives his car at 50 kmph he reaches 10 mins early
When he drives his car at 30 kmph he reaches 10 mins late
Let the total distance be D
⇒ D/30 - D/50 = 20/60
⇒ D(2/150) = 1/3
⇒ D = 25 km