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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

Grade 8 - Mathematics
4.42 Difference of Two Sets - I

If A and B are two sets then A-B = {x/x A and x B}.

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

Solution:
A - B = {a,b,c,d,e,f} - {a,c,f}
A - B = {b,d,e}


Directions: Solve the following problems. Also write at least five examples of your own.
Q 1: A = {8,16,24} and B = {16,24,32} then find A - B.
{32}
{8}
{16}
None of these

Q 2: A = {2,4,6} and B = {3,5,7} then find A - B.
None of these
{2,3,4,5,6}
{3,5,7}
{2,4,6}

Q 3: A = {7,8,9} and B = {8,9,10} then find A - B.
{7}
{7,8,9}
None of these
{10}

Q 4: A = {5,10,15,20} and B = {10,20,30} then find A - B.
{5,10,15,20}
{5,15}
{}
{5,10,15}

Q 5: A = {1,2,3} and B = {3,6,9} then find A - B.
{1,2,3}
{1,2,3,6,9}
{}
{1,2}

Q 6: A = {2,3,5,7} and B = {3,5,7} then find A - B.
{2}
None of these
{2,3,5}
{2,3,5,7}

Q 7: A = {100,200,300,400} and B = {200,400,600} then find A - B.
{600}
{100,300}
{}
None of these

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

Question 9: This question is available to subscribers only!

Question 10: This question is available to subscribers only!


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