Read this fun mind riddle and answer the question.
An athlete runs 200 meters race in 24 seconds.
Her speed is:
- 20 kmph
- 24 kmph
- 28.5 kmph
- 30 kmph
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Answer:
To find the speed we can use the formula for speed.
Speed = distance / time
and since we want the result in kmph we will have to convert the values into kms and hours.
Therefore speed of the athlete is;
Speed = (200/1000) / (24/(60 x 60)
Speed = .2 x 3600/24 = 30 kmph
Answer is D. 30 kmph