Question 48

Find the missing number: -1, 0, ____, 8

Solution

The series follows a pattern of $$n^2-1$$

=> 0*0 - 1 = -1

=> 1*1 - 1 = 0

=> 2*2 -1 = 3

=> 3*3 - 1 = 8

Therefore, 3 is the correct answer.


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