1) The collection of ten most talented writers of India. a) SET b) NOT A SET 2) A team of eleven best-cricket batsmen of the world. a) SET b) NOT A SET 3) The collection of all boys in your class. a) SET b) NOT A SET 4) The collection of all natural numbers less than 100. a) SET b) NOT A SET 5) A collection of novels written by the writer Munshi Prem Chand. a) SET b) NOT A SET 6) The collection of all even integers. a) SET b) NOT A SET 7) The collection of all questions in this chapter. a) SET b) NOT A SET 8) The collection of most difficult topics in Mathematics. a) SET b) NOT A SET 9) the cardinal number of null set is... a) 0 b) 1 10) the father of set theory..... a) John Venn b) George Cantor 11) A Set can represented by ..... a) closed curve b) open curve 12) the number of element present in a set is the ........of the set a) cardinal number b) ordinal number 13) A={1,2,3,1,4,2,1,2,3,} the cardinal number of A IS .... a) 1 b) 2 c) 3 d) 4 14) N represents...... a) set of integers b) set of natural number 15) A={ 2X+1=3: X is a real number} the roster form of A is...... a) {1} b) {1,2,3} c) {1,2} d) {}

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