issb mathematics MCQ #571

Average of 1, 4, 7, 10, 13, 16?

issb mathematics MCQ #571

  1. Question 1

    Q1. Average of 1, 4, 7, 10, 13, 16?

    • A) 8
    • B) 8.5
    • C) 9
    • D) 9.5

    Answer: 8.5

    Explanation: Sum 51 divided by 6 equals 8.5. Work each step carefully; ISSB math rewards accuracy under time pressure.