EduSahara™ Worksheet

Question 1

1.

If A = {3,1,0} and B = {3,4,0} , then A ∪ B =

(i)

{9,3,1,0,4}
(ii)

{3,0,1,4}
(iii)

{0,1,4}
(iv)

{0,3,4}
(v)

{3,1,8,0}

Question 2

2.

If A = {2,10,1,4} and B = {0,9,6,2} , then A ∪ B =

(i)

{10,4,0,1,6,9,2,13}
(ii)

{10,6,2,0,4,1}
(iii)

{4,6,9,0,10,2,1}
(iv)

{6,9,10,15,0,1,4}
(v)

{2,1,4,0,9,6}

Question 3

3.

If A = {11,6,0,3,14} and B = {0,2,12,6,9} , then A ∪ B =

(i)

{6,2,3,0,12,14,9}
(ii)

{2,11,3,6,14,12,9,0}
(iii)

{11,3,6,14,2,9,12}
(iv)

{0,3,11,9,14,2,20,6}
(v)

{6,18,2,0,11,12,9,3,14}

Question 4

4.

If A = {9,0,10} , B = {8,14,9} and C = {11,9,10} , then A ∪ (B ∪ C) =

(i)

{9,11,0,10,8}
(ii)

{14,8,11,0,9,19,10}
(iii)

{}
(iv)

{8,11,0,10,9,14}

Question 5

5.

If A = {15,13,6} , B = {6,3,5} and C = {7,10,11,12} , then A ∪ (B ∪ C) =

(i)

{3,16,7,12,15,11,10,6,5,13}
(ii)

{10,6,3,12,7,13,15,5}
(iii)

{3,7,6,15,12,11,10,5}
(iv)

{15,12,7,6,3,13,10,11,5}
(v)

{13,5,7,6,12,15,10,11}

Question 6

6.

If A = {4,11,5,15} , B = {15,6,11} and C = {2,6,13} , then A ∪ (B ∪ C) =

(i)

{5,2,13,11,4,19,6,15}
(ii)

{6,15,4,11,5,2}
(iii)

{}
(iv)

{2,5,13,11,15,4,6}

Question 7

7.

If A = {6,10,4,7,1} and B = {6,5,4,0,8} , then A ∩ B =

(i)

{6,4}
(ii)

{6,14,4}
(iii)

{1,6,4}
(iv)

{6,8,4}
(v)

{4,1,6,10}

Question 8

8.

If A = {4,2,11,5,1,12,0} and B = {14,3,10,8,0,6,1} , then A ∩ B =

(i)

{2,3,1,0}
(ii)

{0,1,17}
(iii)

{2,0,1}
(iv)

{0,1}
(v)

{1,6,0}

Question 9

9.

If A = {14,9,13,6,15,3} , B = {15,6,0,13,10,2} and C = {10,7,12,11,0}, then A ∩ (B ∩ C) =

(i)

{2}
(ii)

{20}
(iii)

{}
(iv)

{9}
(v)

{12}

Question 10

10.

If A = {14,5,1,3,9,12,4,0} , B = {13,10,2,15,8,3,14} and C = {6,13,11,5,4,12,10}, then A ∩ (B ∩ C) =

(i)

{16}
(ii)

{1}
(iii)

{8}
(iv)

{11}
(v)

{}

Question 11

11.

If A = {7,4,6,10} and B = {3,7,0,10} , then A − B =

(i)

{4}
(ii)

{6,4}
(iii)

{10,6,4}
(iv)

{0,3}
(v)

{6,4,14}

Question 12

12.

If A = {5,7,11,9,14} and B = {5,6,4,3,14} , then A − B =

(i)

{9,11}
(ii)

{9,14,11,7}
(iii)

{4,3,6}
(iv)

{11,9,7}
(v)

{7,9,18,11}

Question 13

13.

If A = {8,3,9,7,14,12} and B = {8,11,1,6,14,12} , then A − B =

(i)

{7,3,8,9}
(ii)

{3,9}
(iii)

{11,6,1}
(iv)

{9,7,3,19}
(v)

{7,3,9}

Question 14

14.

If A = {7,9,3,10} and B = {8,3,1,10} , then B − A =

(i)

{13,1,8}
(ii)

{3,1,8}
(iii)

{1}
(iv)

{8,1}
(v)

{}

Question 15

15.

If A = {9,0,1,12,4} and B = {9,2,12,5,4} , then B − A =

(i)

{}
(ii)

{5,2,16}
(iii)

{5}
(iv)

{5,2}
(v)

{2,9,5}

Question 16

16.

If A = {10,9,7,4,0,1} and B = {11,4,9,13,7,1} , then B − A =

(i)

{}
(ii)

{13,11}
(iii)

{13,11,7}
(iv)

{13}
(v)

{19,13,11}

Question 17

17.

The symmetric difference of set A = {4,2,1,0} and set B = {4,5,2,0} is

(i)

{5}
(ii)

{2,5,1}
(iii)

{1}
(iv)

{5,1}
(v)

{}

Question 18

18.

The symmetric difference of set A = {2,9,4,5,6} and set B = {9,2,0,3,6} is

(i)

{4,5}
(ii)

{3,5,4}
(iii)

{3,0}
(iv)

{3,0,4,5}
(v)

{9,5,4,0,3}

Question 19

19.

The symmetric difference of set A = {10,0,15,1,7,8} and set B = {5,6,11,0,4,8} is

(i)

{10,15,1,7}
(ii)

{6,11,5,8,4,1,15,7,10}
(iii)

{5,11,15,1,10,7,6}
(iv)

{10,5,11,6,7,1,15,4}
(v)

{11,4,5,6}

Assignment Key