"A train covers a distances of 10 km in 12 minutes. If its speed is decreased by 5 km/hr, the time
Channel: Doubtnut
Date: 05/04/2020

"A train covers a distances of 10 km in 12 minutes. If its speed is decreased by 5 km/hr, the time taken `10\ m in`b. `11min20\ s e c`c. `13\ m in`d. `13min20\ s e c`"