1) Which of the following is a well-defined set? a) A set of beautiful sceneries b) A set of Philippine Presidents c) A set of good basketball players d) A set of successful leaders. 2) List all the letters in the word “school”. a) {s, c, h, o, o, l} b) {s, h, o, o, l} c) {s, c, h, o, l} d) {s, c, o, l} 3) Which of the following is the symbol of an empty set? a) ∩ b) ⊆ c) U d) ∅ 4) Which of the following is a subset of A= {1,2,3}? a) {0} b) {1,2} c) {0,1} d) {2,3,4} 5) Given the set of letters in the word “mathematics”, what is the cardinality of the given set? a) 11 b) 8 c) 6 d) 4 6) Which symbol is used to indicate the intersection of two sets? a) U b) ∩ c) – d) ∅ 7) The following is a subset of R = {n, e, w}, EXCEPT? a) {n, e, w} b) {e} c) {0} d) { } 8) Given the set of letters in the word “LOVE”. What is the cardinality of the given set? a) 11 b) 8 c) 6 d) 4 9) How many subsets does G = {t, e, a, m} have? a) 4 b) 12 c) 16 d) 20 10) Given A= {s, e, a, t} and B= {s, t, a, n, d}, find A𝖴B. a) {s, e, a, t, n, d} b) {s, a, t} c) {n, d} d) {e}

MATHEMATICS 7 - SETS

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