Madhya Pradesh Police Exam Model Paper 8

Given:
Speed = 90 km/h
Time = 8 seconds.
Formula used:
Distance = Speed × Time
Calculation:
According to the questions:
Speed = 90 km/h
⇒ 90 × (5/18) m/sec.
⇒ 25 m/sec
Now,
Distance = Speed × Time
⇒ D = 25 × 8
⇒ 200 meter.
When the train to cross the platform of length 250 meter,
Total distance = (200 + 250) meter
⇒ 450 meter.
Time = distance/Speed
⇒ 450/25
⇒18 seconds.
∴ The time taken by the train to cross the platform of length 250 meters is 18 seconds.