SOLUTION: Question- 2+2=10 4+3=13 4+7=? Options are- 40 13 169 70

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Question 1040178: Question-
2+2=10
4+3=13
4+7=?
Options are-
40
13
169
70
Answer by ikleyn(52781) About Me  (Show Source):
You can put this solution on YOUR website!
.
For me, all options are irrelevant.

The correct answer is 23.

It is about writing numbers in 4-based digital system.