Question
7, 78, 324, 900,1855,
3128 Find the wrong number in the given number series.Solution
ATQ, The series follows the pattern: (2 × 3) + 1 = 7, (7 × 11) + 1 = 78, (17 × 19)+ 1= 324, (29 × 31) + 1 = 900, (41 × 43) + 1 = 1764, (53 × 59) + 1 = 3128
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