A train 240 m long passes a pole in 24 seconds. How long will it take to pass a platform 650 m long?
Aptitude
Problems on Trains
Difficulty: Easy
Choose an option
-
A85 s
-
B89 s
-
C92 s
-
D95 s
Answer
Correct Answer: 89 s
Explanation
Given
- Train length = 240 m
- Time to pass a pole = 24 s ⇒ speed
- Platform length = 650 m
Step 1: Find speedSpeed = distance/time = 240 / 24 = 10 m/s
Step 2: Time to pass platformTotal distance = 240 + 650 = 890 mTime = 890 / 10 = 89 s
Tip: For platforms, add train and platform lengths.