Two friends are together 30 years old. If one is twice as old as the other, how old are they?
Category: Math · Difficulty: medium
Hint: Think of their ages in terms of one variable.
Answer
10 and 20
Explanation
Let the younger be x, then the older is 2x. So, x + 2x = 30 gives x = 10, leading to ages 10 and 20.
This is a medium math riddle — a moderate challenge for most people. The answer is 10 and 20.
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