Brain Teasers
1+2=6
Other
Other brain teasers don't fit into any other category, so they can be unique and challenging.Other
1+2=6
2+3=8
3+4=9
4+5=?
2+3=8
3+4=9
4+5=?
Answer
8The answer is based on the amount of letters in each number, if spelled out.
One(3)+(3)Two=(6)
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