issb mathematics MCQ #488

Relative speed same direction 80 and 50 km/h?

issb mathematics MCQ #488

  1. Question 1

    Q1. Relative speed same direction 80 and 50 km/h?

    • A) 20 km/h
    • B) 30 km/h
    • C) 40 km/h
    • D) 130 km/h

    Answer: 30 km/h

    Explanation: Same direction subtract speeds so 80 minus 50 equals 30. Work each step carefully; ISSB math rewards accuracy under time pressure.