The length of a train and that of a platform are equal. If with a speed of 72 k/hr, the train crosses the platform in one minute, then the length of the train (in meters) is?
Answers:
A) 600 B) 758 C) 718 D) 750 E) 738
Speed = [72 * 5/18] m/sec = 20 m/sec; Time = 1 min. = 60 sec.   Let the length of the train and that of the platform be x meters.   Then, 2x/60 = 20 è x = 20 * 60 / 2= 
<gadget id="calculator">20 * 60 / 2</gadget>
<output>600</output>
600   600nswer:600
<result>A</result>
The length of a train and that of a platform are equal. If with a speed of 72 k/hr, the train crosses the platform in one minute, then the length of the train (in meters) is?