issb mathematics MCQ #692

Average of 5, 10, 15, 20, 25?

issb mathematics MCQ #692

  1. Question 1

    Q1. Average of 5, 10, 15, 20, 25?

    • A) 14
    • B) 15
    • C) 16
    • D) 17

    Answer: 15

    Explanation: Sum 75 divided by 5 equals 15. Work each step carefully; ISSB math rewards accuracy under time pressure.