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:
11 : 122 :: 14 : 197 :: 18 : ?
Option 1: 328
Option 2: 317
Option 3: 325
Option 4: 320
Correct Answer: 325
Solution :
Given:
11 : 122 :: 14 : 197 :: 18 : ?
Like, 11 : 122→(11)
2
+ 1 = 121 + 1 = 122
And, 14 : 197→(14)
2
+ 1 = 196 + 1 = 197
Similarly, follow the same pattern for 18 : ?→(18)
2
+ 1 = 324 + 1 = 325
So, 325 is related to 18. Hence, the third option is correct.
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