Question

How long will a 450 m long train take to cross a girl walking with a speed of 5 km/hr in the
direction of moving train? The speed of the train is 65 km/hr.
(A) 27
(B) 28
(C) 30
(D) 29


HEY MATES...
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ANSWER THE ABOVE QUESTION WITH EXPLANATION...
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BEST ANSWER WILL BE MARKED AS BRAINILIST ANSWER...
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Answer 1

Answer:

hey here is your answer

Correct Answer:

A) 27

Description for Correct answer:

Relative speed = 65 - 5 = 60 kmph

= 60×518 m/sec

= 503 m/sec

∴ Required time = 450503=450×350

= 27 seconds

hope it help u