Question
4, 9, 25, ?, 121,
169 What will come in place of the question mark (?) in the following series?Solution
ATQ, The series follows pattern as: square of the prime numbers starting with ‘2’. (2)2 = 4 (3)2 = 9 (5)2 = 25 (7)2 = 49 (11)2 = 121 (13)2 = 169
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