If * means adding 6 times the second number to the first

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If * means adding 6 times the second number to the first number then (1 * 2) * 3 equals :

1. 121
2. 31
3. 93
4. 91

Correct Option: B

(2) (1 * 2) * 3 = (1 + 2 × 6) * 3
= 13 * 3 = (13 + 3 × 6)
= 13 + 18 = 31