issb mathematics MCQ #257

Two trains 100 m and 80 m pass in 9 s opposite. Relative speed:

issb mathematics MCQ #257

  1. Question 1

    Q1. Two trains 100 m and 80 m pass in 9 s opposite. Relative speed:

    • A) 15 m/s
    • B) 20 m/s
    • C) 18 m/s
    • D) 25 m/s

    Answer: 20 m/s

    Explanation: Relative distance is 180 m in 9 s. Speed is 20 meters per second.