Question : Directions: In the following question, select the related number from the given alternatives.
9 : 162 :: 8 : ?
Option 1: 96
Option 2: 112
Option 3: 128
Option 4: 160
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Correct Answer: 128
Solution :
Given:
9 : 162 :: 8 : ?
Multiply the square of the first number by 2 to obtain the second number.
Like, 9 : 162→(9)
2
× 2 = 81 × 2 = 162
Similarly, follow the same pattern for 8 : ?→(8)
2
× 2 = 64 × 2 = 128
So, 8 is related to 128. Hence, the third option is correct.
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