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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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Select the set in which the numbers are related in the same way as are the numbers of the following sets. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13-Operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) (5, 21, 2) (7, 33, 4)


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