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Question

Look carefully for the pattern, and then choose which pair of numbers comes next.

28 25 5 21 18 5 14

Options:
A .  11 5
B .  10 7
C .  11 8
D .  5 10
E .  10 5
Answer: Option A
This is an alternating subtraction series with the interpolation of a random number, 5, as every third number. In the subtraction series, 3 is subtracted, then 4, then 3, and so on.

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