Aman covers a distance of 15 km in 3 hours and a distance of 20 km in 2 hours. What is the average speed of Aman?

Correct option is C

Given:
Aman covers 15 km in 3 hours.
Aman covers 20 km in 2 hours.

Formula Used:

$$\text{Average Speed} = \frac{\text{Total Distance Covered}}{\text{Total Time Taken}}$$

Solution:

$$\text{Average speed} = \frac{15+20}{3+2} = \frac{35}{5} = 7 \text{ km/hr}$$​