Difficulty: Fun
How many 1s does it take to write out the number eleven thousand, eleven hundred and eleven?
Scroll down or click for a hint, or the answer!
Brainteaser hint
Try writing the number out first, and then read it back, carefully. You might have made a mistake!
Brainteaser answer
Eleven thousand is 11,000. Eleven hundred is 1,100. Eleven is 11.
Add them together and you get:
11,000 + 1,100 + 11 = 12,111
So you need four 1s.
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