Grade 8 - Mathematics 4.51 Sets and Relations Review Test

Q 1: C = {x/x Î N and 0 < x <5}. C = {0,1,2,3,4} C = {0,1,2,3,4,5} C = {1,2,3,4}

Q 2: A = {Multiple of 5} and B = {Multiple of 7}, is these two sets disjoint or not. Not a disjoint Disjoint

Q 3: Two sets are equal if and only if they have the same elements. Example: A = {1,2,3} and B = {1,2,3} False True

Q 4: n(A) = 11, n(B) = 4 and n(AÈB) = 14 then find n(AÇB). 3 9 4 5

Q 5: A = {Monday, Tuesday, Wednusday} and B = {Thursday, Friday, Saturday} Which of the following represent A U B? {Monday, Tuesday, Wednusday, Thursday, Friday, Saturday} {Wednusday, Thursday, Friday, Saturday} {Monday, Tuesday, Wednusday, Thursday} {Monday, Tuesday, Thursday, Friday, Saturday}

Q 6: In a group of 80 persons, 30 drink Coke but not Pepsi and 41 drink Coke. How many drink Pepsi, but not Coke?
45 39 24