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25 : 625 :: 13 : ?
169
144
196
156
169
Identify the relationship between the number and its square; here, the second term is the square of the first term (n²).
Identify the relationship between the number and its square; here, the second term is the square of the first term (n²).
Analyze the first pair
The relationship given is 25: 625. Observing the numbers, 25 multiplied by itself (25 * 25) equals 625. Thus, the pattern is n: n squared.
Apply the pattern to the second pair
Given the number 13, we follow the same logic of squaring the number: 13 * 13 = 169.
B: 144 is 12 squared, not related to 13. C: 196 is 14 squared, not related to 13. D: 156 is 13 * 12, which does not follow the square pattern.
A is correct because the second term in the pair is the square of the first term, and 13 squared is 169.
For number analogies, always check for squares, cubes, and prime number relationships first before looking at arithmetic operations like multiplication or addition.
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