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Question: what is the next number in the sequence of 12, 3, 18, 9, 24, 27, ??
This sequence can be divided into two alternating sequences: 1. Multiples of 6: 12, 18, 24... 2. Odd multiples of 3: 3, 9, 27... Next in line would be a multiple of 6, continuing from Sequence 1. The pattern for this sequence is adding 6 each time (12+6=18, 18+6=24). To find the next number, simply add 6 to the last number in Sequence 1 which is 24: 24 + 6 = 30. Therefore, the next number in the given sequence is 30.
The pattern seems to be that every second number is a multiple of 3 and the other number is 3 more than the previous one. Based on this pattern, the next number should be 12+3=15. Therefore, the next number is 15.
March 13, 2023, 11:06 a.m.
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