issb mathematics MCQ #130

A PAF cadet scores x on one maths test and x + 6 on the next. If the average is 85, x equals:

issb mathematics MCQ #130

  1. Question 1

    Q1. A PAF cadet scores x on one maths test and x + 6 on the next. If the average is 85, x equals:

    • A) 80
    • B) 84
    • C) 82
    • D) 78

    Answer: 82

    Explanation: Average gives (x + x + 6)/2 = 85, so 2x + 6 = 170 and x = 82.