general math MCQ #670

Subtracting 10% from X is the same as multiplying X by what number?

general math MCQ #670

  1. Question 1

    Q1. Subtracting 10% from X is the same as multiplying X by what number?

    • A) 0.8
    • B) 0.9
    • C) 0.1
    • D) 0.5

    Answer: 0.9

    Explanation: Subtracting 10% leaves 90% of X; multiplying by 0.9 achieves the same result.