Complete the series of numbers: 1 10, 3 9, 5 8, 7 7, 9 6, __ __.
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Complete the series of numbers: 1 10, 3 9, 5 8, 7 7, 9 6, __ __.
10 6
10 5
11 5
11 4
The first numbers in each pair are odd numbers increasing by 2: 1, 3, 5, 7, 9, so the next is 11. The second numbers are decreasing by 1: 10, 9, 8, 7, 6, so the next is 5. The pattern creates pairs (11, 5).
To complete the series of numbers, let's analyze the pattern:
The first number in each pair is increasing by 2 (1, 3, 5, 7, 9).
The second number in each pair is decreasing by 1 (10, 9, 8, 7, 6).
Therefore, the next pair in the series would be 11 5.
So, the correct answer is C) 11 5.