If * means adding 6 times the second number
to the first number, then (1 * 2) * 3 equals to
(A)121
(B)31
(C)93
(D)91
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If * means adding 6 times the second number
to the first number, then (1 * 2) * 3 equals to
(A)121
(B)31
(C)93
(D)91
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Answer:
1∗2=1+2 × 6=1+12=13
(1∗2)∗3=13∗3=13+3 ×6
=13+18=31
So the answer is (B)31
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