Question : Directions: In the following question, select the related number from the given alternatives.
122 : 145 :: 226 : ?
Option 1: 255
Option 2: 256
Option 3: 257
Option 4: 259
Correct Answer: 257
Solution :
Given:
122 : 145 :: 226 : ?
122 – 1 = 121; √121 = 11 and 145 – 1 = 144; √144 = 12
Here, 11 and 12 are consecutive integers.
Similarly, 226 – 1 = 225; √225 = 15
The next integer will be 16.
So, the missing number will be 16 2 + 1 = 256 + 1 = 257
Hence, the third option is correct.
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