Question

16. How much time will a train, 192m long to cross a tunnel of length 328m long if it is running at a speed
of 72 km/h?
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Answer 1

Answer:

Your Answer

Step-by-step explanation:

Description for Correct answer:

Let the length of the tunnel be x mts

Speed of the train = 72 kmph = 72×518 = 20 m/sec.

Train crosses the tunnel in 60 sec.

Therefore, (700+x)20=60

(i.e) Time taken to cover (700+x)

(700+x) = 60×20

700 + x = 1200

x = 1200 - 700 = 500 mts.

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Answer 2

see picture for the solution..

Hope it help!

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