issb mathematics MCQ #660

Two trains 45 km/h and 55 km/h same direction. Relative speed?

issb mathematics MCQ #660

  1. Question 1

    Q1. Two trains 45 km/h and 55 km/h same direction. Relative speed?

    • A) 5 km/h
    • B) 10 km/h
    • C) 100 km/h
    • D) 50 km/h

    Answer: 10 km/h

    Explanation: Same direction subtract speeds so 55 minus 45 equals 10. Work each step carefully; ISSB math rewards accuracy under time pressure.