Question

A train crosses a stationary pole in 6 sec and a 70 m long platform in 13 secs. What is the length of the train?

A 60m Correct Answer Incorrect Answer
B 66m Correct Answer Incorrect Answer
C 67m Correct Answer Incorrect Answer
D 68m Correct Answer Incorrect Answer

Solution

Let the length of the train be x. `(x)/(6)` = `(70 + x )/(13)` 13 x = 420 + 6 x [if gte msEquation 12]>x [if !msEquation]-->[endif]--> 7 x = 420 [if gte msEquation 12]> [if !msEquation]-->[endif]-->x = 60 m.

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