Q. Look at this series: 544, 509, 474, 439, ... What number should come next?

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Q. Look at this series: 2, 1, (1/2), (1/4), ... What number should come next?

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Q. Look at this series: 7, 10, 8, 11, 9, 12, ... What number should come next?

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Q. Look at this series: 36, 34, 30, 28, 24, ... What number should come next?

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Q. Look at this series: 22, 21, 23, 22, 24, 23, ... What number should come next?

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Q. Look at this series: 53, 53, 40, 40, 27, 27, ... What number should come next?

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Q. Look carefully for the pattern, and then choose which pair of numbers comes next.
9 12 11 14 13 16 15

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Q. Look carefully for the pattern, and then choose which pair of numbers comes next.
4 8 22 12 16 22 20 24

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Q. Look carefully for the pattern, and then choose which pair of numbers comes next.
40 40 31 31 22 22 13

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Q. Look carefully for the pattern, and then choose which pair of numbers comes next.
1 10 7 20 13 30 19

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Q. Look carefully for the pattern, and then choose which pair of numbers comes next.
10 20 25 35 40 50 55

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Q. Look carefully for the pattern, and then choose which pair of numbers comes next.
2 3 4 5 6 4 8

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Q. Look carefully for the pattern, and then choose which pair of numbers comes next.
17 17 34 20 20 31 23

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Q. Look carefully for the pattern, and then choose which pair of numbers comes next.
6 20 8 14 10 8 12

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Q. Look carefully for the pattern, and then choose which pair of numbers comes next.
21 25 18 29 33 18

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Q. Look carefully for the pattern, and then choose which pair of numbers comes next.
75 65 85 55 45 85 35

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Q. Look carefully for the pattern, and then choose which pair of numbers comes next.
11 16 21 26 31 36 41

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Q. Look carefully for the pattern, and then choose which pair of numbers comes next.
3 8 13 18 23 28 33

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Q. Look carefully for the pattern, and then choose which pair of numbers comes next.
84 78 72 66 60 54 48

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Q. Look carefully for the pattern, and then choose which pair of numbers comes next.
20 20 17 17 14 14 11

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