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Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.

A7 : 147

B8 : 192

C12 : 432

D13: 506

Answer:

D. 13: 506

Read Explanation:

7^2*3=49*3=147 8^2*3=64*3=192 12^2*3=144*3=432 13^2*3=169*3=507


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