2 is related to 9 following a certain logic. Following the same logic, 4 is related to 65. To which of the following is 8 related, following the same logic?
(NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding / subtracting / multiplying, etc., to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 513.
2 is related to 9 → 2³ + 1 = 9
4 is related to 65 → 4³ + 1 = 65
Similarly, 8 is related → 8³ + 1 = 513