25
Q:
A) 60 km/hr | B) 100 km/hr |
C) 110 km/hr | D) 120 km/hr |
Answer: D) 120 km/hr
Explanation:
Explanation:
Number of gaps between 41 poles = 40
So total distance between 41 poles = 40*50
= 2000 meter = 2 km
In 1 minute train is moving 2 km/minute.
Speed in hour = 2*60 = 120 km/hour