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- The length of a train and that of a platform are equal.
Question 1:
The length of a train and that of a platform are equal. If with a speed of 90 km/hr, the train crosses the platform in one minute, then the length of the train (in meters) is:? A. 850
B. 525
C. 550
D. 750
Feedback Speed = [90 * 5/18] m/sec = 25 m/sec; Time = 1 min. = 60 sec.
Let the length of the train and that of the platform be x meters.
Then, 2x/60 = 25
x = 25 * 60 / 2 = 750
Let the length of the train and that of the platform be x meters.
Then, 2x/60 = 25
x = 25 * 60 / 2 = 750
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