Three of the following four number-pairs are alike in a certain way and one is different. Select the odd number-pair.
A. (3, 9)
B. (4, 16)
C. (5, 25)
D. (6, 30)
A. (3, 9)
B. (4, 16)
C. (5, 25)
D. (6, 30)
Best answer
Answer: D. (6, 30)
Answer: (D) (6, 30)
In (3, 9), (4, 16) and (5, 25), the second number is the square of the first: \(3^2 = 9\), \(4^2 = 16\), \(5^2 = 25\).
In (6, 30), \(6^2 = 36\), not 30.
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