Problem #2: A number is divisible by 11 if the difference of the sum of its digits at odd places and the sum of its digits at even places is either 0 or divisible by 11. For example, for 2547039: (Sum of digits at odd places) - (Sum of digits at even places) = (9 + 0+ 4+ 2) - (3 +7+ 5) = 0 So 2547039 is divisible by 11. But for 13165648: (Sum of digits at odd places) - (Sum of digits at even places) = (8 + 6 + 6+ 3) - (4 + 5+1+ 1) = 12 12 is not divisible by 11 so 13165648 is also not divisible by 11. Sample run: Give your number: 13165648 Total is: 12 13165648 is not divisible by 11.

Problem #2: A number is divisible by 11 if the difference of the sum of its digits at odd places and the sum of its digits at even places is either 0 or divisible by 11. For example, for 2547039: (Sum of digits at odd places) - (Sum of digits at even places) = (9 + 0+ 4+ 2) - (3 +7+ 5) = 0 So 2547039 is divisible by 11. But for 13165648: (Sum of digits at odd places) - (Sum of digits at even places) = (8 + 6 + 6+ 3) - (4 + 5+1+ 1) = 12 12 is not divisible by 11 so 13165648 is also not divisible by 11. Sample run: Give your number: 13165648 Total is: 12 13165648 is not divisible by 11.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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