
If a 200 m long train crosses a platform of the same length as that of the train in 20 seconds, then the speed of the train is ?
72 km/hr
70 km/hr
74 km/hr
76 km/hr


Important Questions on Time, Speed and Distance


A train 350 m long is moving at speed of 20 km/hr. it will cross a man coming from the opposite direction with a speed of 1 km/hr:


Two rabbits start running towards, each other, one from A to B and another from, B to A. They cross each other after one hour and the first rabbit reaches B, \( \frac{5}{6} \) hour before the second rabbit reaches A. If the distance between A and B is 50 km, what is the speed of the slower rabbit?

pranav walked at 5 km/h for certain part of the journey and then he took an auto for he remaining part of the Journey travelling at 25 km/h. If he took 10 hours for the entire journey ,what part of Journey did he travelled by auto if the average speed of the entire journey be 17 km/h?


Anjali fires two bullets from the same place at an interval of minutes but Bhagwat sitting in a car approaching the place of firing hears the second fire minute seconds after the first firing. What is the speed of car, if the speed of sound is
