issb mathematics MCQ #398

Relative speed opposite 50 and 30 km/h?

issb mathematics MCQ #398

  1. Question 1

    Q1. Relative speed opposite 50 and 30 km/h?

    • A) 20 km/h
    • B) 50 km/h
    • C) 80 km/h
    • D) 15 km/h

    Answer: 80 km/h

    Explanation: Opposite directions add speeds so 80 km/h. Work each step carefully; ISSB math rewards accuracy under time pressure.