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Complete the analogy: 25 : 625 :: 12 : ?
144
169
121
196
144
Identify the relationship between the first pair: the second term is the square of the first term (n: n²).
Identify the relationship between the first pair: the second term is the square of the first term (n: n²).
Analyze the relationship between the first pair
Given the pair 25: 625. Observing the numbers, we identify that 625 is the square of 25 (25 * 25 = 625). The pattern is X: X².
Apply the pattern to the second pair
Applying the same logic to the second part of the analogy, 12:?. We need to calculate the square of 12. 12 * 12 = 144.
B: 169 is the square of 13, not 12. C: 121 is the square of 11, not 12. D: 196 is the square of 14, not 12.
A is correct because the relationship between the numbers is a simple square: 25 squared equals 625, and 12 squared equals 144.
For number analogy questions, always check squares and cubes first as they are the most common patterns in competitive exams.
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