RPF Sub-Inspector (Executive) 2019 · Question 58 of 82

A train takes 73 seconds to cross the bridge of 448 meters. If this train takes 41 seconds to cross the sign board then find out the length of the train.

A484
B574Correct
C563
D624m

Answer: B. 574

Explanation

Let the length of the train be Length of the platform = 448 As we know, Speed = Distance/time . + 448)/73 = x/41 41x + 18368 = 73x 73x-41x = 18368 a ix 32x = 18368 = 18368/32 = 574 . Length of the train is 574

Source: RPF SI Previous Year Paper 06-Jan-2019 — answer key & detailed solutions (ixambee PDF) · reliable-secondary

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