Question

if 9=90,8=72,7=56,6=42then 3=?

Answer 1

3 = 12 answer



Nice question

Answer 2

9 = 9 x 10 = 90 OR 9² + 9 = 81 + 9 = 90

8 = 8 x 9 = 72 OR 8² + 8 = 64 + 8 = 72

7 = 7 x 8 = 56 OR 7² + 7 = 49 + 7 = 56

∴ n = n(n + 1) OR n² + n

3 = 3 x 4 = 12 OR 3² + 3 = 9 + 3 = 12

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