general math MCQ #10707

The mean of 4 numbers is 15. Three of the numbers are 12, 18, and 14. Find the fourth number.

general math MCQ #10707

  1. Question 1

    Q1. The mean of 4 numbers is 15. Three of the numbers are 12, 18, and 14. Find the fourth number.

    • A) 14
    • B) 16
    • C) 20
    • D) 15

    Answer: 16

    Explanation: Total sum = 4 × 15 = 60; fourth number = 60 − 12 − 18 − 14 = 16.