Question : Directions: In the following question, select the related number from the given alternatives.
72 : 90 :: 156 : ?
Option 1: 184
Option 2: 168
Option 3: 182
Option 4: 176
Correct Answer: 182
Solution :
Given:
72 : 90 :: 156 : ?
Add the square of the consecutive natural numbers to itself to obtain the numbers of each pair.
Like, 72 : 90→(8)
2
+ 8 = 64 + 8 = 72
(9)
2
+ 9 = 81 + 9 = 90
Similarly, follow the same pattern for 156 : ?→(12)
2
+ 12 = 144 + 12 = 156
(13)
2
+ 13 = 169 + 13 = 182
So, 156 is related to 182. Hence, the third option is correct.
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