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