Correct option is D
Given: 1, 4, 9, 16, 26, 36
Logic: Numbers are increasing perfect square of natural number.
12= 1
22= 4
32= 9
42= 16
52= 25 26
62= 36
So, wrong number is 26.
Thus, correct option is (d).
Question
In each of the following questions, a number series is given. In each series, only one number is incorrect. Identify the wrong number.
1, 4, 9, 16, 26, 36
1, 4, 9, 16, 26, 36
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