Question
Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is related to the fifth number. 42 : 16 :: 72 : ? :: 53 : 30
Solution
The logic followed here is as follows: The product of the digits of the 1st number is multiplied by 2 to obtain the 2nd number. 42 : 16 โ 4 x 2 = 8; 8 x 2 = 16 53 : 30 โ 5 x 3 = 15; 15 x 2 = 30 Similarly, for the third and fourth numbers: 72 : ? โ 7 x 2 = 14; 14 x 2 = 28
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