Question : Directions: In the following question, select the related number from the given alternatives.
13 : 20 :: 17 : ?
Option 1: 25
Option 2: 26
Option 3: 27
Option 4: 28
Correct Answer: 28
Solution :
Given:
13 : 20 :: 17 : ?
Subtract 6 from twice the first number to obtain the second number in each pair.
Like, 13 : 20→(13 × 2) – 6 = 26 – 6 = 20
Similarly, follow the same pattern for 17 : ?→(17 × 2) – 6 = 34 – 6 = 28
So, 17 is related to 28. Hence, the fourth option is correct.
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