X is a 5 digit number. Let Y be the sum of the digits ofX. Let Z be the sum of the digits of Y. Then themaximum possible value of that Z can have is
Question
Solution 1
The maximum possible value of a digit in a number is 9.
Step 1: Since X is a 5-digit number, the maximum sum of its digits (Y) would be 9*5 = 45 (if all digits were 9).
Step 2: Now, Y = 45. The sum of the digits of Y (Z) would be 4 + 5 = 9.
So, the maximum possible value of Z is 9. Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem. Knowee AI is
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