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If 2+2=5, 3+3=7 and 4+4=9 then 5+5=?

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If 2+2=5, 3+3=7 and 4+4=9 then 5+5=?
posted Jul 29, 2017 by Sandeep Sandeep

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1 Answer

0 votes

5 + 5 = 11

Recall

2 + 2 = 5
3 + 3 = 7
4 + 4 = 9

Its clear that
n + n = 2n + 1

so

5 + 5 = 11

answer Jul 29, 2017 by Justine Mtafungwa
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