Question : Directions: In the following question, select the related number from the given alternatives.
17 : ? :: 145 : 195
Option 1: 42
Option 2: 35
Option 3: 30
Option 4: 24
Correct Answer: 35
Solution :
Given:
17 : ? :: 145 : 195
Like, 145 : 195→12
2
+ 1 = 144 + 1 = 145; 14
2
– 1 = 196 – 1 = 195
Here, 12 and 14 are consecutive even numbers.
Similarly, follow the same pattern for 17 : ?→4
2
+ 1 = 16 + 1 = 17
After 4, the next even number is 6. So, 6
2
– 1 = 36 – 1 = 35.
So, 17 is related to 35. Hence, the second option is correct.
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