A train covers a distance of 36 km in 15 minutes. Find the time taken by
it to cover the same distance if its speed is decreased by 9 km/hr.
Answers
Answered by
2
Answer:
16 minutes
Explanation:
Distance covered by train = 36 km
Time taken = 15 minutes = 15/60 hr = ¼ hr.
Therefore speed of train = Distance covered/time taken
= 36/(1/4) km/hr
= 36/1 × 4/1
= 144 km/hr
Reduced speed = 144 – 9 = 135
Therefore, required time = distance covered/speed
= 36/135 × 60 minutes
= 16 minutes
Answered by
2
Explanation:
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