Question
Select the option that is related to the third number
in the same way as the second number is related to first number and the sixth number is related to the fifth number. 68 : 84:: 24 : ? :: 72 : 63Solution
The logic followed here is as follows: The product of 1st and 2nd digits of the 1st number is added to the square of the 1st digit of the 1st number to obtain the 2nd number. 68 : 54 → (6 x 8) + 6² = 48 + 36 = 84. 72 : 63 → (7 x 2) + 7² = 14 + 49 = 63. 24 : ? → (2 x 4) + 2² = 8 + 4 = 12.
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