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ATQ,
Odd positions: 3, 5, 7, 11 → +2, +2, +4
Even positions: 6, 10, ? → +4, ? = 10 + 4 = 14
15, 30, 30, 20, 10, 8
Find the wrong number in given number series.
6490, 6377, 6294, 6211, 6138
1600, 1604, 1544, 1760, 1248, 2248, 520
12, 18, 40, 90, 270, 945
8 12 21 36 62 98
231, 241, 233, 239, 235, 243
Find the wrong number in the given number series.
78, 103, 152, 233, 356, 523
131, 212, 261, 286, 295, 299
224, 183, 144,115, 86, 63, 44.