issb mathematics MCQ #430

Average of 15, 20, 25, 30, 35?

issb mathematics MCQ #430

  1. Question 1

    Q1. Average of 15, 20, 25, 30, 35?

    • A) 23
    • B) 24
    • C) 25
    • D) 26

    Answer: 25

    Explanation: Sum is 125 divided by 5 gives average 25. Work each step carefully; ISSB math rewards accuracy under time pressure.