Can We Guess Your IQ?
Question 7 out of 10

7. Mary, who is sixteen years old, is four times as old as her brother. How old will Mary be when she is twice as old as her brother?
Mary, who is sixteen years old, is four times as old as her brother. How old will Mary be when she is twice as old as her brother? 32 25 24 18 16 ▶ Next Question ◀

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