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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 8 - Mathematics
4.6 Intersection of Two Sets - I

The intersection of two sets A and B is the set of elements which are common to A and B, and is denoted by A B.
A B = {x/x A and x B}.

Example:
A = {a,b,c,d} and B = {a,d,e,f} then find A B.

Solution:
A = {a,b,c,d} and B = {a,d,e,f}
A B = {a,b,c,d} {a,d,e,f}
Write down the common elements in both sets.
A B = {a,d}


Directions: Solve the following problems. Also write at least five examples of your own.
Q 1: A = {2,4,6} and B = {4,6} then find A B.
{2,4,6}
{4,6}
None of these

Q 2: A = {10,15,20} and B = {15,30} then find A B.
{10,15,20,30}
{15,20}
None of these
{15}

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

Q 4: A = {1,2,3,4,5} and B = {2,4,6} then find A B.
{1,2,3,4,5,6}
{2,4,6}
None of these
{2,4}

Q 5: A = {3,5,7,9,11} and B = {2,3,5,7,11} then find A B.
None of these
{3,5,7,11}
{3,5,7,9,11,}
{2,3,5,7,9,11,}

Q 6: A = {7,14,21,28} and B = {14,21,28} then find A B.
{7,14,21,28}
None of these
{14,28}
{14,21,28}

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

Q 8: A = {2,3,4,5} and B = {5,7} then find A B.
{5,7}
None of these
{5}
{2,3,4,5,7}

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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