Question : Directions: In the following question, select the related number from the given alternatives.
11 : 120 :: 13 : ?
Option 1: 165
Option 2: 168
Option 3: 170
Option 4: 169
Correct Answer: 168
Solution :
Given:
11 : 120 :: 13 : ?
11
2
= 121 and 121 – 1 = 120
Similarly, 13
2
= 169 and 169 – 1 = 168
Hence, the second option is correct.
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