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Multiple choice

What is the time taken for a 300 m. long train speeding at 60 km/hr. to cross a pole ?

  1. 5 sec.

  2. 30 sec.

  3. 50 sec.

  4. 18 sec.

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Train length = 300m, speed = 60 km/hr = 60 × 5/18 = 50/3 m/s. Time to cross a pole = Length/Speed = 300 ÷ (50/3) = 300 × 3/50 = 18 seconds.

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