general math MCQ #489

Ali is twice as old as his youngest brother. If the difference between their ages is 15 years, how old is his youngest brother?

general math MCQ #489

  1. Question 1

    Q1. Ali is twice as old as his youngest brother. If the difference between their ages is 15 years, how old is his youngest brother?

    • A) 10 years
    • B) 15 years
    • C) 20 years
    • D) 25 years

    Answer: 15 years

    Explanation: If the youngest brother is x years old and Ali is 2x, then 2x − x = 15, so x = 15 years.