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Grade 8 - Mathematics
4.51 Sets and Relations Review Test

Q 1: We call A X B, the Cartesian product of A and B. (True or False)
False
True

Q 2: If U = {1,2,3,4,5,6,7,8} and A = {2,4,6,8} Then find Ac.
{1,2,3,4,5,6,7}
{1,2,3,4,5,7}
{1,3,5,7,8}
{1,3,5,7}

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

Q 4: A = {a,e,i,o,u}, write this in set builder form.
A = {x/x is a consonant in English Alphabet}
A = {x/x is a vowel in English Alphabet}

Q 5: If A = {1,2,3,4,5,6} and B = {a,e,i,o,u}, then find the number of ordered pairs in A X B.
11
15
30
25

Q 6: A = {2,4,6} and B = {4,6,8}, then find symmetric difference of A and B.
{4,8}
{6,8}
{2,8}
{2,4,6,8}

Q 7: Find A B, if A = {22,25,28,31} and B = {25,26}.
{22,25,26,28,31}
{22,25,26,28,31,34}
{22,25,28,31}
{22,25,26,28}

Q 8: A = { 1,5,3,7,9} and B = {2,3,4,5,6} then A B = ____
{4,5}
{5,3,6}
{3,5}

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Question 10: This question is available to subscribers only!


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