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The correct answer is 12.
Solution:
The number is multiplied by itself plus 1:
9 x 10 = 90
8 x 9 = 72
7 x 8 = 56
6 x 7 = 42
3 x 4 = 12
Click ‘more…’ to read the solution.
The correct answer is 12.
Solution:
The number is multiplied by itself plus 1:
9 x 10 = 90
8 x 9 = 72
7 x 8 = 56
6 x 7 = 42
3 x 4 = 12