I grow taller as I consume more, yet I require no water or sun. What am I?

Category: Math · Difficulty: easy

Hint: Think about something that can be built up.

Answer

A stack of books

Explanation

A stack of books grows taller as more are added, without needing water or sunlight.

This is an easy math riddle — a good one for children and beginners. The answer is A stack of books.

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