This word puzzle asks: How can you make “seven” an even number without doing any math?
The answer is: remove the letter S.
The word “seven” becomes “even” when you take away the first letter. No calculation is needed at all.
The riddle works because the words “seven” and “even” are closely related in spelling. Seven is an odd number, but removing the S leaves the word “even,” which describes the opposite type of number.
It is a simple language trick disguised as a math problem. Most people initially think they need to add, subtract, multiply, or divide something, but the clue specifically says not to do any math. The solution is hidden in the letters of the word itself.
