| 1. |
7 9 66 12 14 66 17 |
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Answer: Option A Explanation: This is an alternating addition series with repetition, in which a random number, 66, is interpolated as every third number. The regular series adds 2, then 3, then 2, and so on, with 66 repeated after each "add 2" step. |
Look carefully for the pattern, and then choose which pair of numbers comes next.
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