issb mathematics MCQ #580

Average of 11, 15, 19, 23, 27?

issb mathematics MCQ #580

  1. Question 1

    Q1. Average of 11, 15, 19, 23, 27?

    • A) 17
    • B) 18
    • C) 19
    • D) 20

    Answer: 19

    Explanation: Sum 95 divided by 5 equals 19. Work each step carefully; ISSB math rewards accuracy under time pressure.