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Question

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

40 40 31 31 22 22 13

Options:
A .  13 4
B .  13 5
C .  4 13
D .  9 4
E .  4 4
Answer: Option A
This is a subtraction series with repetition. Each number repeats itself and then decreases by 9.

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