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Grade 8 - Mathematics
4.51 Sets and Relations Review Test


Name: ___________________

Date:___________________

Grade 8 - Mathematics
4.51 Sets and Relations Review Test

Q 1: A = {10,15,20} and B = {15,30} then find A B.
{10,15,20,30}
None of these
{15}
{15,20}

Q 2: A = {15,30,45} and B = {30,60,90} then find A B.
{15,30}
None of these
{15,30,45,60,90}
{30}

Q 3: There are 64 persons in a group. Each of them eats either apple or plantain or both. Those who eat apples are 36 in number. The number those who eat both apples and plantain is 21. How many eat plantains only?
28
43
25

Q 4: A = {1,2,3}, B = {The first three natural numbers}, C = {a,b,c,d}, D = {d,c,a,b}, E = {a,e,i,o,u}, F = {Set of vowels in English Alphabets} and G = {3,1,2}
C ____ D.
Equal
Not equal

Q 5: A = {a,e,i,o,u}, Find out the number of proper subsets.
31
32
33

Q 6: A = {1,2,3,4,5,6} and B = {2,4,6} Which of the following represent A B?
{3,4,6}
{2,3,4,6}
{1,2,3,4,6}
{2,4,6}

Q 7: If U = {p,q,r,s,t}, A = {p,q,r} and B = {q,r,t} then
Ac Bc = _____.
{p,q,t}
{p,s,t}
{p,q,r,t}

Q 8: B = {1,3,5,7,9,11,13}, write this in set builder form.
B = {x/x is an odd number x = 14}
B = {x/x is an odd number x > 14}
B = {x/x is an odd number x < 14}

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