The length of a train and that of a platform are equal. If with a speed of 36 k/hr, the train crosses the platform in one minute, then the length of the train (in meters) is? Choices:	A) 752	B) 799	C) 300	D) 750	E) 712

Rationale: "speed = [ 36 * 5 / 18 ] m / sec = 10 m / sec ; time = 1 min . = 60 sec . let the length of the train and that of the platform be x meters . then , 2 x / 60 = 10 ã ¨ x = 10 * 60 / 2 = 300 answer : c"
Answer: C