61 is related to 18 following a certain logic. Following the same logic, 213 is related to 38. To which of the following is 509 related, following the...
Question
61 is related to 18 following a certain logic. Following the same logic, 213 is related to 38. To which of the following is 509 related, following the same logic? (Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits.)