issb mathematics MCQ #348

Mean of 7, 11, 15, 19?

issb mathematics MCQ #348

  1. Question 1

    Q1. Mean of 7, 11, 15, 19?

    • A) 11
    • B) 12
    • C) 13
    • D) 14

    Answer: 13

    Explanation: Sum 52 divided by 4 equals 13. Work each step carefully; ISSB math rewards accuracy under time pressure.