A train covers a distance of 10 km in 12 minutes. If its speed is decreased by 5 km/hr, the times taken by it to cover the same distance will be :
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 minutes
[B]11 minutes 20 sec
[C]13 minutes
[D]13 minutes 20sec
13 minutes 20sec
Speed of train
New Speed
∴ Required Time
Hence option [D] is correct answer.