The length of a train and that of a platform are equal. If with a spee

1.	The length of a train and that of a platform are equal. If with a speed of 90 km/hr the train
A.	500
B.	600
C.	750
D.	900
Answer» D. 900

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The length of a train and that of a platform are equal. If with a speed of 90 km/hr the train

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