In a race, an athlete covers a distance of 438 m in 146 sec in the first lap. He covers thesecond lap of the same length in 73 sec. What is the average speed (in m/sec) of theathlete?

Correct option is A

Given:

Distance of each lap = 438 meters

Time for the first lap = 146 seconds

Time for the second lap = 73 seconds

We need to find the average speed of the athlete.

Formula Used:

Average speed =$$\frac{\text{Total distance}}{\text{Total time}}$$​​

Solution:

Total distance = 438 + 438 = 876 meters

Total time = 146 + 73 = 219 seconds

Average speed = $$\frac{876}{219}=4 \, \text{m/s}$$​​