issb mathematics MCQ #664

Cyclist 18 km/h for 2 h then 12 km/h for 3 h. Average speed?

issb mathematics MCQ #664

  1. Question 1

    Q1. Cyclist 18 km/h for 2 h then 12 km/h for 3 h. Average speed?

    • A) 14 km/h
    • B) 14.4 km/h
    • C) 15 km/h
    • D) 16 km/h

    Answer: 14.4 km/h

    Explanation: Total 72 km in 5 hours gives average speed 14.4 km/h. Work each step carefully; ISSB math rewards accuracy under time pressure.