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Instructions
What will come in place of the question mark (?) in the following number series?
Solution
NumbersĀ of the form $$(n^2 - 1)$$ are subtracted, where $$n \geq 2$$
121 $$- (2^2 - 1)$$ = 118
118Ā $$- (3^2 - 1)$$ =Ā 110
110Ā $$- (4^2 - 1)$$ =Ā 95
95Ā $$- (5^2 - 1)$$ =Ā 71
71Ā $$- (6^2 - 1)$$ =Ā 36
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