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Appendix B Problem 3 Let Ω = {1,2,...,100} and let A,B and C be the following...

Appendix B Problem 3

Let Ω = {1,2,...,100} and let A,B and C be the following subsets of Ω.

A = {positive even numbers which are at most 100}
B = {two-digit numbers where the digit 5 appears}
C = {positive integer multiples of 3 which are at most 100}
D = {two-digit numbers such that the sum of the digits is 10}

List the elements of each of the following sets:

a) B\A
b) A∩B∩Cc

c) ((A\D)∪B)∩(C ∩D)

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