MULTIPLE CHOICE QUESTIONS.



1. The smallest set Y such that Y U {1,2,3,5,9}.

a) {1,2,3}
b) { 3,2,1}
c) {1,3,5}
d) {3,5,9}

2. In a class of 35 students 15 study Ecnomics. 22 study Business         studies and 14 study advanced accountancy.If 11 students study       both Ecnomics and Business studies , 8 study Business studies         and advanced accountancy ,5 study Ecnomics  and advanced           accountancy  and three study all the three subjects . Find how           many students of the class  are not  taking any of these subjects.

a) 35
b) 15
c) 5
d) 14

3. A U (