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Which of the following is the next number in the series 3,6,4,9,5,12,6,_
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Which of the following is the next number in the series 3,6,4,9,5,12,6,_

User Csum
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the next term should be 15.
first ignore the 1st, 3rd, 5th, 7th term, they're just adding 1. and the other terms left are the multiplies of 3. 6,9,12,15...
User Scott Rossi
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