Question
Which of the following numbers does not fit into the
pattern of the series? 396, 462, 572, 427, 671, 264Solution
Let’s check the sum of digits for each number: 396 → 3 + 9 + 6 = 18 462 → 4 + 6 + 2 = 12 572 → 5 + 7 + 2 = 14 427 → 4 + 2 + 7 = 13 671 → 6 + 7 + 1 = 14 264 → 2 + 6 + 4 = 12 Except 427, sum of all other numbers are even numbers.
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