issb mathematics MCQ #1

If 30% of a number is 45, what is the number?

issb mathematics MCQ #1

  1. Question 1

    Q1. If 30% of a number is 45, what is the number?

    • A) 120
    • B) 135
    • C) 150
    • D) 165

    Answer: 150

    Explanation: 30% of x = 45 → x = 45 ÷ 0.30 = 150. Shortcut: 10% = 15, so 30% = 45 confirms x = 150.