11 : 144 :: 12 : 169 :: 13 : ?

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• A 194
• B 190
• C 192
• D 196

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Answer: D. 196

11 : (11 + 1)² = 144, 12 : (12 + 1)² = 169, so 13 : (13 + 1)² = 14² = 196.

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