1st PUC Mathematics Series-1 wefruPUC Science 1st Year Mathematics Series-1 quiz 0 Created on December 02, 2020 By wefru1st PUC Mathematics Series 1TEST YOUR KNOWLEDGE OF SCIENCE 1 / 10Q.1 The number of elements in the Power set P(S) of the set S = [ [ Φ] , 1, [ 2, 3 ]] is 8 1 2 4 2 / 10Q.2 If A and B are sets and A∪ B= A ∩ B, then A=B A B FG 3 / 10Q.3 Let S be an infinite set and S1, S2, S3, ..., Sn be sets such that S1 ∪S2 ∪ S3∪....Sn = Sthen atleast one of the sets Si is a finite set not more than one of the set Si can be infinite atleast one of the sets Si is an infinite set none of these 4 / 10Q.4 If A be a finite set of size n, then number of elements in the power set of A x A 2 n 2 n² (2) none of these 5 / 10Q.5 Total number of different partitions of a set having four elements is 15 20 30 78 6 / 10Q.6 A - (B ∪ C) is (A - B) ∪ (A - C) A - B - C (A - B) ∩ (A - C) A - (B ∩ C)' 7 / 10Q.7 Which of the following sets are null sets? {0} Ø { } Both (b) & (c) 8 / 10Q.8 Number of subsets of a set of order three is 8 9 5 2 9 / 10Q.9 The number of elements in the power set of the set {{a, b}, c} is 3 33 4 55 10 / 10Q.10 In a language survey of students it is found that 80 students know English, 60 knowFrench, 50 know German, 30 known English and French, 20 know French andGerman, 15 know English and German and 10 students know all the threelanguages. How many students know at least one language? 135 154 201 569 Your score isThe average score is 0% LinkedIn Facebook Twitter 0% Restart quiz