Question : Directions: Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number.
7 : 13 :: 16 : 31 :: 46 : ?
Option 1: 81
Option 2: 83
Option 3: 91
Option 4: 97
Correct Answer: 91
Solution :
Given:
7 : 13 :: 16 : 31 :: 46 : ?
Like, 7 : 13→7 × 2 = 14; 14 – 1 = 13
16 : 31→16 × 2 = 32; 32 – 1 = 31
Similarly, for 46 : ?→(46 × 2) = 92; 92 – 1 = 91
So, 91 is related to 46 in the same way as the second number is related to the first number and the fourth number is related to the third number. Hence, the third option is correct.
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