EduSahara™ Worksheet

Question 1

1.

If A = {5,4,2} and B = {5,4,3} , then A ∪ B =

(i)

{}
(ii)

{8,5,3,4}
(iii)

{2,3,4}
(iv)

{2,3,4,5}
(v)

{5,3,2,4,10}

Question 2

2.

If A = {6,1,8,2} and B = {6,8,5,10} , then A ∪ B =

(i)

{5,10,2,1,6,8}
(ii)

{12,5,10,1,6,8}
(iii)

{6,10,2,1,5}
(iv)

{14,10,1,6,2,5,8}
(v)

{}

Question 3

3.

If A = {10,8,0,4,12} and B = {6,7,15,13,12} , then A ∪ B =

(i)

{7,0,15,6,4,10,12,13}
(ii)

{0,7,12,10,4,15,6,8}
(iii)

{10,0,13,6,18,4,15,7,12,8}
(iv)

{7,15,0,10,13,8,6,4,12}
(v)

{15,13,4,0,17,7,6,10,12}

Question 4

4.

If A = {12,9,3} , B = {4,2,13} and C = {0,3,11} , then A ∪ (B ∪ C) =

(i)

{2,9,0,11,4,13,3}
(ii)

{3,9,12,0,4,2,11}
(iii)

{13,0,9,11,4,12,2,3}
(iv)

{16,9,4,2,11,12,13,0,3}
(v)

{0,12,3,13,9,4,2}

Question 5

5.

If A = {12,11,13} , B = {10,3,0} and C = {14,15,9,4} , then A ∪ (B ∪ C) =

(i)

{0,4,13,12,3,15,9,14,10}
(ii)

{13,12,16,15,3,11,14,10,4,9,0}
(iii)

{10,14,11,13,15,3,12,0,4}
(iv)

{14,11,4,3,15,10,12,9,13,0}
(v)

{13,9,14,12,10,11,4,15,3}

Question 6

6.

If A = {1,12,13,10} , B = {9,2,0} and C = {14,2,8} , then A ∪ (B ∪ C) =

(i)

{8,0,14,12,13,1,10,9,2,20}
(ii)

{13,2,1,14,0,12,9,10}
(iii)

{13,1,2,8,10,0,14,12}
(iv)

{10,8,14,1,0,9,13,2}
(v)

{13,9,2,1,12,10,8,0,14}

Question 7

7.

If A = {6,1,5,7,10} and B = {0,6,10,2,9} , then A ∩ B =

(i)

{2,6,10}
(ii)

{1,10,6}
(iii)

{6,10}
(iv)

{7,6,1,10}
(v)

{15,6,10}

Question 8

8.

If A = {0,8,15,2,3,9,10} and B = {14,15,1,3,7,8,5} , then A ∩ B =

(i)

{15,3,8,1}
(ii)

{8,17,3,15}
(iii)

{15,3,2,8,0}
(iv)

{15,3,8}
(v)

{3,8,10,15}

Question 9

9.

If A = {6,13,7,10,8,12} , B = {0,3,1,13,10,15} and C = {14,6,11,0,1,2}, then A ∩ (B ∩ C) =

(i)

{8}
(ii)

{11}
(iii)

{16}
(iv)

{}
(v)

{3}

Question 10

10.

If A = {7,1,9,3,0,5,13,11} , B = {0,14,2,7,5,4,8,6} and C = {0,1,3,10,12,2,8,15}, then A ∩ (B ∩ C) =

(i)

{12,0}
(ii)

{0}
(iii)

{0,13}
(iv)

{20,0}
(v)

{0,14}

Question 11

11.

If A = {1,6,2,9} and B = {7,1,3,9} , then A − B =

(i)

{9,2,6}
(ii)

{7,3}
(iii)

{6,2}
(iv)

{14,6,2}
(v)

{2}

Question 12

12.

If A = {0,6,10,1,4} and B = {1,7,14,5,4} , then A − B =

(i)

{14,7,5}
(ii)

{0,10}
(iii)

{4,6,0,10}
(iv)

{17,0,10,6}
(v)

{0,6,10}

Question 13

13.

If A = {8,4,6,3,5,2} and B = {9,7,10,0,6,2} , then A − B =

(i)

{8,5,4,3}
(ii)

{5,3,4,18,8}
(iii)

{7,0,9,10}
(iv)

{4,3,5}
(v)

{2,5,3,4,8}

Question 14

14.

If A = {7,8,1,3} and B = {2,7,9,3} , then B − A =

(i)

{9,2,7}
(ii)

{11,9,2}
(iii)

{}
(iv)

{2,9}
(v)

{9}

Question 15

15.

If A = {6,3,0,7} and B = {5,4,13,0} , then B − A =

(i)

{13,5,4,0}
(ii)

{4,13,5}
(iii)

{}
(iv)

{13,4}
(v)

{13,17,5,4}

Question 16

16.

If A = {0,14,5,11,2,1} and B = {7,8,6,10,2,1} , then B − A =

(i)

{6,10,7,8}
(ii)

{8,7,6}
(iii)

{10,8,7,19,6}
(iv)

{}
(v)

{6,1,8,7,10}

Question 17

17.

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

(i)

{0,4,5}
(ii)

{3,0}
(iii)

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

{4,5}
(v)

{2,3,4,5,0}

Question 18

18.

The symmetric difference of set A = {6,0,8,7,9} and set B = {8,5,7,0,9} is

(i)

{6,5}
(ii)

{5,6,7}
(iii)

{}
(iv)

{5}
(v)

{6}

Question 19

19.

The symmetric difference of set A = {6,11,1,7,14,0} and set B = {5,13,3,7,11,0} is

(i)

{6,1,14}
(ii)

{14,1,6,13,3,5}
(iii)

{3,13,5}
(iv)

{3,14,1,5,6}
(v)

{13,3,0,1,6,5,14}

Assignment Key