Question
Find the wrong number in the series given below.
3, 10, 89, 99, 301, 908Solution
3 × 3 + 1 = 10 10 × 3 + 2 = 32 32 × 3 + 3 = 99 99 × 3 + 4 = 301 301 × 3 + 5 = 908 So, 89 is the wrong number.
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