Length of the train is 170 meters and speed of the train is 63 km/hour. This…
2024
Length of the train is 170 meters and speed of the train is 63 km/hour. This train can pass a bridge in 30 seconds, then find the length of the bridge.
Answer: C. 355 mtrs — Step 1: Convert speed to metres per second: 63 km/h = 63 × 5/18 = 17.5 m/s Step 2: Find distance covered in 30 seconds: Distance = speed × time = 17.5 × 30 =…
- A.
325 mtrs
- B.
345 mtrs
- C.
355 mtrs
- D.
365 mtrs
Attempted by 20 students.
Show answer & explanation
Correct answer: C
Step 1: Convert speed to metres per second: 63 km/h = 63 × 5/18 = 17.5 m/s
Step 2: Find distance covered in 30 seconds: Distance = speed × time = 17.5 × 30 = 525 m
Step 3: Subtract train length to get bridge length: Bridge length = 525 − 170 = 355 m
Answer: 355 m
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