I am an odd number; take away one letter, and I become even. What number am I?

Category: Brain · Difficulty: hard

Hint: Think about how letters can change a word's meaning.

Answer

Seven

Explanation

Removing the 's' from 'seven' leaves 'even', making it a clever play on words.

This is a hard brain riddle — a tricky one that takes a little thought. The answer is Seven.

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