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Find out the wrong term 1 3 12 25 48

This question belongs to Competitive Reasoning Number Series Completion
Number Series Completion
?

Find out the wrong term: 1, 3, 12, 25, 48

Answer & Solution
Correct Answer: Option C
The terms of the series are (12 - 0), (22 - 12 ), (42 - 22 ), (62 - 32 ), and (82 - 42 ),
So, 25 is wrong and must be replaced by (62 - 32) i.e., 27.
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1 Comment
Ramachandra Mohanty
Ramachandra Mohanty 11 months ago
1 square - 0 square, similarly 2 square - 1square the differences of 1 and 2 is 1 but the next you calculate 4 square and 6 square and 8 square why the first difference is 1 and other numbers difference is 2 is it correct logic?
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