Can you solve this puzzle? 9 = 90, 8 = 72, 7 = 56, 6 = 42, 3 = ?

Question

Can you solve this puzzle?

9 = 90
8 = 72
7 = 56
6 = 42
3 = ?

A. 18

B. 12

C. 9

D. 27

Answer: B. 12

Solution:

In the equation, the formula is X * (X + 1)

9 = 9 * (9 + 1) = 90

8 = 8 * (8 + 1) = 72

7 = 7 * (7 + 1) = 56

6 = 6 * (6 + 1) = 42

3 = 3 * (3 + 1) = 12

The Answer is 12.

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Can you solve this number puzzle 9 + 8 = 117, 16 + 13 = 329, 19 + 11 = 830, 23 + 18 = ??

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