Question : Directions: In the following question, select the related number from the given alternatives.
18 : 5 :: 12 : ?
Option 1: 4
Option 2: 10
Option 3: 3
Option 4: 6
Correct Answer: 3
Solution :
Given:
18 : 5 :: 12 : ?
Like, 18 : 5→18 ÷ 3 = 6; 6 – 1 = 5
Similarly, for 12 : ?→12 ÷ 3 = 4; 4 – 1 = 3
So, 12 is related to 3. Hence, the third option is correct.
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