# It's an easy one. Math.

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When does 13 become 4?

posted Jul 2
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## 1 Answer

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The sum of 13's digits is 4.

answer Jul 2
Very good

Similar Puzzles
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Question #1: If 2 letters are written and the corresponding envelopes addressed, and the letters are then fitted at random into the envelopes, the probability that both letters will go into wrong envelopes is ____?

Question #2: If 13 letters are written and the corresponding envelopes addressed, and the letters are then fitted at random into the envelopes, the probability that the 13 letters will go into wrong envelopes is ____?

+2 votes

I contain faces of different colors
for fun they get mixed with one another
It's easy for them to hang outside their 'race'
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With time and patience it can be done
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Replace the question mark with the number of this simple math problem?

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I will give you a group of numbers with an equals sign somewhere in the middle. Your goal is to add addition, subtraction, multiplication and division signs to make a true math statement. For example:

45=731

The answer is...

4+5=7+3-1

Get it? Here's your puzzle.

453402=1022