Question : An athlete runs an 800 m race in 96 seconds. His speed (in km/hr) is:
Option 1: 20 km/hr
Option 2: 40 km/hr
Option 3: 30 km/hr
Option 4: 25 km/hr
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Correct Answer: 30 km/hr
Solution : Given: An athlete runs an 800 m race in 96 seconds. Speed = $\frac{\text{Distance}}{\text{Time}}$ ⇒ Speed = $\frac{800}{96}$ m/s = $\frac{800}{96}$ × $\frac{18}{5}$ km/hr = 30 km/hr Hence, the correct answer is 30 km/hr.
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