Question : Directions: In the following question, select the related number from the given alternatives.
8 : 63 :: 9 : ?

Option 1: 80

Option 2: 81

Option 3: 56

Option 4: 32


Team Careers360 18th Jan, 2024
Answer (1)
Team Careers360 20th Jan, 2024

Correct Answer: 80


Solution : Given:
8 : 63 :: 9 : ?

Subtract 1 from the square of the first number to get the second number of the given pair.
Like, 8 : 63→(8) 2 = 64; 64 – 1 = 63
Similarly, 9 : ?→(9) 2 = 81; 81 – 1 = 80

Hence, the first option is correct.

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