Question : Directions: 5 is related to 27 following a certain logic. Following the same logic, 7 is related to 51. To which of the following is 9 related, following the same logic?
Option 1: 83
Option 2: 87
Option 3: 78
Option 4: 91
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Correct Answer: 83
Solution :
Given:
5 : 27; 7 : 51; 9 : ?
Here, the pattern followed is as follows –
5 : 27→5
2
+ 2 = 25 + 2 = 27
7 : 51→7
2
+ 2 = 49 + 2 = 51
Similarly, follow the same pattern for 9 : ?→9
2
+ 2 = 81 + 2 = 83
So, 9 is related to 83. Hence, the first option is correct.
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