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Choose the number that is analogous to 25:625 :: 12:?
144
169
120
156
144
Identify the relationship between the first and second term; here, the second term is the square of the first term (n: n²).
Identify the relationship between the first and second term; here, the second term is the square of the first term (n: n²).
Analyze the first pair (25 : 625)
Observe the relationship between 25 and 625. Since 25 multiplied by 25 equals 625, the logic is x : x squared.
Apply the logic to the second pair (12 : ?)
Using the same logic, square the number 12. 12 multiplied by 12 equals 144.
B (169) is 13 squared, which is incorrect. C (120) is 12 multiplied by 10, which follows no consistent pattern. D (156) is 12 multiplied by 13, which is incorrect.
A is correct because the relationship follows the square of the number, and 12 squared equals 144.
Always check for square or cube relationships first in number analogy problems involving two-digit numbers, as they appear frequently in RRB and SSC exams.
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