Question

4 + 4 = 20
5 + 5 = 30
6 + 6 = 42
7 + 7 = 56
then, 9 +9 = ??​

Answer 1

Answer:

4+4 is 8 not 20, 5+5 is 10 not 30, 6+6 is 12 not 42, 7+7 is 14 not 56, and finally 9+9 would be 18. 90 is the answer.

Answer 2

4×4+4=20

5×5+5=30

6×6+6=42

7×7+7=56

then 9×9+9=90

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