general math MCQ #66

If the average of 5, 6, 7, and X is 10, what is the value of 'X'?

general math MCQ #66

  1. Question 1

    Q1. If the average of 5, 6, 7, and X is 10, what is the value of 'X'?

    • A) 12
    • B) 22
    • C) 32
    • D) 42

    Answer: 22

    Explanation: (5 + 6 + 7 + X)/4 = 10 → 18 + X = 40 → X = 22.