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Question : Directions: In the following question, select the related number from the given alternatives.
7 : 63 :: 11 : ?

Option 1: 143

Option 2: 147

Option 3: 146

Option 4: 145


Team Careers360 3rd Jan, 2024
Answer (1)
Team Careers360 14th Jan, 2024

Correct Answer: 143


Solution : Given:
7 : 63 :: 11 : ?

Subtract 1 from the square of the successor of the first number to get the second number of the given pair.
Like, 7 : 63→The successor of 7 is 8→(8) 2 = 64; 64 – 1 = 63
Similarly, 11 : ?→The successor of 11 is 12→(12) 2 = 144; 144 – 1 = 143

Hence, the first option is correct.

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