A train 200 m long is running with a speed of 54 kmph. In what will it pass a car whose speed at 36 kmph in the direction opposite to that in which the train is going  Choose the correct choice:  A) 8 sec  B) 10 sec  C) 12 sec  D) 14 sec  E) 15 sec
Explanation:   Speed of the train relative to man = (54 + 36)= 
<gadget id="calculator">(54 + 36)</gadget>
<output>90</output>
90 ×5/18 m/sec= 25 m/sec.   Time taken by the train to cross the car = Time taken by it to cover 200 m   at 25 m / sec = (200 ×1/25) sec = 8 sec   8 secnswer: Option 8 sec
<result>A</result>
A train 200 m long is running with a speed of 54 kmph. In what will it pass a car whose speed at 36 kmph in the direction opposite to that in which the train is going