Question

If a train, with a speed of 60 km/hr, crossed a pole in 30 second, the length of the train (in metres) is:

• A. 1000
• B. 900
• C. 750
• D. 500

Answer 1

The correct option is D 500

We know that,

when a train crosses a pole,it covers the distance equal to its length

the time taken by the train $=30$ seconds

and speed $=60km/h$

Then,

The length of the train $=60$ km/h $\times 30$ secomds

$60\times \frac{5}{18}\times 30$ metres

$10\times \frac{5}{3}\times 30$

$=500$ metres

Hence,

Option $D$ is correct answer.