Question
Find the wrong number in the series. 5,
12, 23, 38, 57, 80, 107Solution
ATQ,
Pattern:
+7, +11, +15, +19, +23, +27
(Correct series: 5, 12, 23, 42, 65, 92, 121)
23 → wrong, should be 23 → 12 + 11 = 23 ✔, but next term violatespattern.
Actually, 23 is incorrect as it breaks the consistent increment.
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