Question : Directions: In the following question, select the related number from the given alternatives. 12 : 144 :: ? : ?
Option 1: 10 : 40
Option 2: 15 : 125
Option 3: 20 : 400
Option 4: 22 : 464
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Correct Answer: 20 : 400
Solution : Given: 12 : 144 :: ? : ?
In the given pair, the second number is the perfect square of the first number. Like, 12 : 144→(12) 2 = 144 Let's check the options – First option: 10 : 40; (10) 2 = 100 ≠ 40 Second option: 15 : 125; (15) 2 = 225 ≠ 125 Third option: 20 : 400; (20) 2 = 400 Fourth option: 22 : 464; (22) 2 = 484 ≠ 464
So, only the third option follows the same pattern as followed by the given pair. Hence, the third option is correct.
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