The speed of a car is 36 km/h. How much time (in minutes) will a bus travelling at one-fifth of the speed of the car take to cover a distance of 900 m?
Show answer & explanation
Correct answer: B
Explanation
Correct Answer is option 2 i.e. 7.5 min
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Understanding |
Application |
Calculation |
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The speed of a car is 36 km/h. And the bus is traveling at 1/5th of the speed of the car. |
36 km/hr = 36 × 5/18 m/s = 10 m/s So, Speed of bus = 2 m/s |
⇒ 10 × 1/5 = 2
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Distance = 900 m
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Time taken by bus = 450 sec = 7.5 min |
⇒ 900/2 = 450 |