A train moves from Kollam to Kochi at a speed of 60km. per hour from Kochi to coimbatore, the speed increse to 80km perhour. What is the average rate of speed of the train per hour:
A train B speeding with 120 kmph crosses another train C running in the same direction, in 2 minutes. If the lengths of the trains B and C be 100 m and 200 m respectively, what is the speed (in kmph) of the train C?
A 130m long train crosses a bridge in 30 seconds at 45 kmph. The length of the bridge is
How many seconds will it take for a train 100 meters long moving at the rate of 15 m/sec to overtake another train 80 m long running from the opposite side at the rate of 90 km/hr?
If a train travels 90km.per hour in 8 minutes it travels: