Squigly Squigly's Brain Teasers

Question:

Using only addition, how do you add eight 8's and get the number 1000?

Answer:

888 + 88 + 8 + 8 + 8 = 1000.

Try another Brain Teaser:

Which of these numbers are prime numbers: 7, 8, 9, 10, 11, 12, 13, 14?

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