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Find the WRONG number in the series: 2, 3, 7, 22, 90, 446, 2677

Competition practiceNumber Series

A3
B7
C22
D90

Step-by-Step Solution

Pattern is

\times 1 + 1, \times 2 + 1, \times 3 + 1, \times 4 + 1, \times 5 + 1, \times 6 + 1.22 \times 4 + 1 = 89

, not 90; so 90 is wrong (should be 89).

Answer: D) 90

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