49. A train covers a distance of 10 km in 12 minutes. If
its speed is decreased by 5 km/hr, the time taken
by it to cover the same distance will be
(a) 10 min
(b) 11 min 20 sec
(c) 13 min
(d) 13 min 2
Answers
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1
Answer:
13 min 20 sec
Explanation
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