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 ◀

Are You A Logical Thinker?
Are You A Logical Thinker?
Are You Bitcoin Or Dollar?
Are You Bitcoin Or Dollar?
Which Tea Best Suits Your Personality?
Which Tea Best Suits Your Personality?
What Irish Clan Would You Have Belonged To?
What Irish Clan Would You Have Belonged To?
Should You Change Your Career?
Should You Change Your Career?
Which Female Warrior Are You?
Which Female Warrior Are You?
How To Look Good?
How To Look Good?
What Is your Pet Personality?
What Is your Pet Personality?
Which Era Of Style Are You?
Which Era Of Style Are You?
What Is Your Best Meal Ever?
What Is Your Best Meal Ever?
Are You A Leader Or a Follower?
Are You A Leader Or a Follower?
What’s Your Biggest Personality Flaw?
What’s Your Biggest Personality Flaw?