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From the options given below, select the appropriate number to replace the question mark (?).

225 : 256 :: 289 : ?

Solution

✅ Correct Option: 2

225=152225 = 15^2 and 256=162256 = 16^2, so the second term is the square of the next integer.

Since 289=172289 = 17^2, the answer is 182=32418^2 = 324.

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