Question
Find the wrong number in the given number series.
77, 101, 139, 197, 281, 413Solution
ATQ,
Pattern: Add 12 × consecutive primes starting from 2 77 + 12×2 = 101 101 + 12×3 = 137 ❌ (Given is 139) 137 + 12×5 = 197 197 + 12×7 = 281 281 + 12×11 = 413
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