Directions: Answer the following questions. Also write at least ten examples of your own.

Q 1: W is the set of whole numbers then -5 Ï W. Is this statement true or false. False True

Q 2: D = {x/x Î N and x lies between 10 and 20}. D = {11,12,13,14,15,16,17,18,19} D = {10,11,12,13,14,15,16,17,18,19} D = {11,12,13,14,15,16,17,18,19,20}

Q 3: B = {x/x+3=6}. B = {3} B = {} (Null set) B = {1,2,3}

Q 4: E = {x/x is a prime number and x < 12}. E = {2,3,5,7,11} E = {2,4,6,8,10} E = {1,3,5,7,9,11}

Q 5: C = {x/x Î N and 0 < x <5}. C = {0,1,2,3,4,5} C = {1,2,3,4} C = {0,1,2,3,4}

Q 6: S = {4,5,6,7} Þ 9 Î S. Is this statement true or false False True

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Question 8: This question is available to subscribers only!