Instructions
What will come in place of question mark (?) in the given number series ?
Solution
Square of odd numbers are added
63 $$+ 3^2$$ = 72
72 $$+ 5^2$$ = 97
97 $$+ 7^2$$ = 146
146 $$+ 9^2$$ = 227
227 $$+ 11^2$$ = 348
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