Correct Answer - Option 1 : 50 km/hr
Given:
Aditya covered 48 km @ 40 km/hr
And rest 52 km @ 65 km/hr
Formula used:
Average speed = Total distance/ Total time
Calculation:
Average speed = (48 + 52)/[48/40 + 52/65]
⇒ Average speed = 100/[6/5 + 4/5]
∴ Average speed = 50 km/hr