A train is cover a distance of 12km in 12 min. if it’s decreased by 10km/h, the time taken by it to cover the same distance will be:

Options
- 14.5 min
- 15.5min
- 16.0min
- None

CORRECT ANSWER : 14.5 min

Discussion Board
train prob

1st case
Speed=Distance/Time
Speed=12/(12/6)=60km/hr

speed decrease by 10 speed=50km/h

time=12/50*60 min=14.5min

Prajakta Madhukar Jadhav 04-7-2020 12:01 PM

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