Question : Directions: In the following question, select the related number from the given alternatives.
12 : 54 :: 15 : ?
Option 1: 56
Option 2: 64
Option 3: 67
Option 4: 69
Correct Answer: 69
Solution :
Given:
12 : 54 :: 15 : ?
Multiply the first number by 5 and then subtract 6 from it to obtain the second number.
Like, 12 : 54→(12 × 5) – 6 = 60 – 6 = 54
Similarly, follow the same pattern for 15 : ?→(15 × 5) – 6 = 75 – 6 = 69
So, 15 is related to 69 . Hence, the fourth option is correct.
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