Ali is twice as old as his youngest brother. If the difference between their ages is 15 years. How old is his youngest brother? - IQ786

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

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

25

20

15

None of these

Explanation

Let brother’s age = x, so Ali’s age = 2x.

2x - x = 15 → x = 15. Youngest brother is 15 years old.