From the options given below, select the appropriate number to replace the question mark (?).
225 : 256 :: 289 : ?
Answer & explanation
Correct answer: option 2
The correct answer is Option (2) → 324
Both pairs are squares of consecutive numbers:
\(225=15^{2}\) and \(256=16^{2}\)
\(289=17^{2}\), so the next is \(18^{2}=324\)