issb mathematics MCQ #607

Average of squares of 3, 5, 7?

issb mathematics MCQ #607

  1. Question 1

    Q1. Average of squares of 3, 5, 7?

    • A) 27
    • B) 83/3
    • C) 28
    • D) 30

    Answer: 83/3

    Explanation: Squares 9,25,49 sum 83 divided by 3 equals 83/3. Work each step carefully; ISSB math rewards accuracy under time pressure.