1. I’m thinking of a number. The number is odd. It is more than 1 but less than 100. It is greater than 20. It is less than 5 times 7. The sum of the digits is 7. It is divisible by 5. What is the number? 2. If U (the universal set) = {1, 3, 5, 7, 9, 11, 13, 15, 17} and W = {5, 7, 9, 11}, then W complement is?

1. I’m thinking of a number. The number is odd. It is more than 1 but less than 100. It is greater than 20. It is less than 5 times 7. The sum of the digits is 7. It is divisible by 5. What is the number? 2. If U (the universal set) = {1, 3, 5, 7, 9, 11, 13, 15, 17} and W = {5, 7, 9, 11}, then W complement is?

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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