12 : 143 :: 19 : ?

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12 : 143 : : 19 : ?

A391

B371

C360

D390

Answer:

C. 360

Read Explanation:

12²-1=143 19²-1=360

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Negligent : Requirement

Choose the one from the following which is different from others

5 : 126 : : 9 :

3 : 108 :: ? : 500