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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 8 - Mathematics
4.51 Sets and Relations Review Test

Q 1: If U = {p,q,r,s,t}, A = {p,q,r} and B = {q,r,t} then
A B = _____.
{p,q,r,t}
{p,q,r,s}
{q,r,s,t}

Q 2: A = {2,3,4,5} and B = {5,7} then find A B.
None of these
{5}
{5,7}
{2,3,4,5,7}

Q 3: A = {2,4,6} and B = {2,4,6,8} then find A B.
{2,4,6}
None of these
{2,4,6,8}

Q 4: If U = {p,q,r,s,t}, A = {p,q,r} and B = {q,r,t} then
(A B)c = _____.
{r}
{q}
{s}

Q 5: A = {5,7,9,11}, B = {7,9,11} and C = {9,11} Find A (B C).
{5,7,8,9,11}
{5,7,9,11}
{5,6,7,9,10,11}
{5,7,9,10,11}

Q 6: If A = {a,e,i,o,u} and B = {y}, the find A X B.
{(a,x), (b,x), (c,x), (d,x)}
{(a,y), (e,y), (i,y), (o,y), (y,u)}
{(1,a), (2,a), (3,a), (4,a)}
{(a,y), (e,y), (i,y), (o,y), (u,y)}

Q 7: The null set is a subset of every set.
True
False

Q 8: 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}

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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