40 32 72 12 30 24 54 09 54 ? 90 15
Permalink: http://problemotd.com/problem/missing-number/
Anonymous - 10 years, 1 month ago
40 -- And I'm guessing.
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36?
40 + 32 = 72 30 + 24 = 54 54 + 36 = 90
Not sure what the 12... 09 and 15 are...
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Anonymous - 10 years, 1 month ago
40 -- And I'm guessing.
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Anonymous - 10 years, 1 month ago
36?
40 + 32 = 72 30 + 24 = 54 54 + 36 = 90
Not sure what the 12... 09 and 15 are...
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