1. |
61 57 50 61 43 36 61 |
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Answer: Option E Explanation: This is an alternating repetition series, in which a random number, 61, is interpolated as every third number into an otherwise simple subtraction series. Starting with the second number, 57, each number (except 61) is 7 less than the previous number. |
Look carefully for the pattern, and then choose which pair of numbers comes next.
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