Grade 8 - Mathematics 4.51 Sets and Relations Review Test

Q 1: A = {4,5,7} and B = {2,3,6} then A U B = ______? {4,5,7,3,6} {2,3,4,5,6} {2,3,4,5,6,7}

Q 2: N = {a,b,c,d,e,f}, Find out the number of subsets. 63 64 65

Q 3: In a batch of 60 students 40 can speak English and 30 can speak French. Then the number of students who can speak both English and French. 20 10 15

Q 4: A = {1}, Find out the number of subsets. 1 3 2

Q 5: In a class of 100 students 70 take mathematics, 60 take science and 40 take both. The number of students who do not take mathematics or science or both. 10 20 15

Q 6: The set of even natural numbers which are less than 6. {2,4} {1,3,5} {1,2,3,4,5}

Q 7: If A = {1,2,3,4} ; B = {2,4} ; C = {1,2,3,4,7} ; Æ = {} ; Q = {a,e,i,o,u}
Then B Ì A is ______. False True

Q 8: B is a set of all months in a year having 30 days. B = {February, April, June, September, November} B = {April, June, September, November} B = {January, April, June, September, November}

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