EduSahara™ Worksheet

Question 1

1.

If A = {0,3,2} and B = {1,3,0} , then A ∪ B =

(i)

{3,0,9,2}
(ii)

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

{3,1,0}
(iv)

{0,2,1}
(v)

{1,0,7,3,2}

Question 2

2.

If A = {10,7,6,9} and B = {7,4,8,2} , then A ∪ B =

(i)

{7,4,9,10,8,2,6}
(ii)

{6,8,7,4,2,10}
(iii)

{4,10,8,9,7,6}
(iv)

{2,14,4,6,9,7,8,10}
(v)

{6,8,7,10,14,9,2}

Question 3

3.

If A = {15,3,13,6,12} and B = {0,7,2,5,12} , then A ∪ B =

(i)

{15,0,6,7,2,3,5,13}
(ii)

{2,6,12,7,0,3,5,15,13}
(iii)

{7,12,0,2,5,15,13,3}
(iv)

{5,7,15,13,18,2,6,12,0,3}
(v)

{7,12,5,3,2,6,13,15,18}

Question 4

4.

If A = {7,5,15} , B = {9,12,10} and C = {1,6,10} , then A ∪ (B ∪ C) =

(i)

{15,5,12,1,6,9,7,10}
(ii)

{9,7,15,10,5,6,1}
(iii)

{12,6,5,10,9,15,7}
(iv)

{9,10,6,1,15,7,12,17,5}
(v)

{10,12,6,1,5,9,15}

Question 5

5.

If A = {3,8,15} , B = {2,9,6} and C = {12,0,1,2} , then A ∪ (B ∪ C) =

(i)

{3,8,1,9,6,0,2,12}
(ii)

{2,6,0,9,15,12,1,3,8}
(iii)

{15,12,2,8,9,0,3,1}
(iv)

{6,9,8,1,15,2,3,0}
(v)

{0,1,17,8,15,2,6,12,9,3}

Question 6

6.

If A = {7,0,12,2} , B = {4,8,15} and C = {2,5,10} , then A ∪ (B ∪ C) =

(i)

{5,12,8,10,7,15,2,4}
(ii)

{5,7,4,0,8,2,10,12}
(iii)

{2,15,12,7,10,8,0,4}
(iv)

{4,2,7,12,0,8,15,10,5}
(v)

{8,2,12,5,15,4,10,16,0,7}

Question 7

7.

If A = {3,0,6,10,1} and B = {3,9,4,0,5} , then A ∩ B =

(i)

{3,1,0,6}
(ii)

{1,3,0}
(iii)

{0,9,3}
(iv)

{0,3}
(v)

{3,14,0}

Question 8

8.

If A = {14,7,10,2,4,3,12} and B = {14,15,7,2,9,1,5} , then A ∩ B =

(i)

{7,14,2,12}
(ii)

{7,2,14,19}
(iii)

{2,7,14}
(iv)

{7,15,14,9,2}
(v)

{7,14,1,2}

Question 9

9.

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

(i)

{14}
(ii)

{3}
(iii)

{}
(iv)

{19}
(v)

{15}

Question 10

10.

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

(i)

{20,2}
(ii)

{2,11}
(iii)

{2,0}
(iv)

{2}
(v)

{1,2}

Question 11

11.

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

(i)

{10,0,2}
(ii)

{8,6,4}
(iii)

{8,4,6,5}
(iv)

{8,6,15,4}
(v)

{8,4}

Question 12

12.

If A = {13,11,9,12,2} and B = {10,6,5,13,2} , then A − B =

(i)

{11,12,20,9}
(ii)

{11,9,12}
(iii)

{12,11}
(iv)

{11,2,9,12}
(v)

{10,6,5}

Question 13

13.

If A = {15,11,9,4,0,5} and B = {15,4,1,12,2,5} , then A − B =

(i)

{12,2,1}
(ii)

{9,0,11,16}
(iii)

{11,9}
(iv)

{11,5,0,9}
(v)

{9,0,11}

Question 14

14.

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

(i)

{7}
(ii)

{}
(iii)

{10,13,7}
(iv)

{7,5,10}
(v)

{10,7}

Question 15

15.

If A = {13,4,15,6,9} and B = {14,1,13,8,9} , then B − A =

(i)

{1,8}
(ii)

{8,1,14}
(iii)

{8,9,1,14}
(iv)

{14,1,18,8}
(v)

{}

Question 16

16.

If A = {10,9,1,8,11,15} and B = {14,9,0,2,5,15} , then B − A =

(i)

{0,2,18,5,14}
(ii)

{0,14,5}
(iii)

{5,14,0,15,2}
(iv)

{5,0,2,14}
(v)

{}

Question 17

17.

The symmetric difference of set A = {0,1,5} and set B = {0,3,2} is

(i)

{1,5,2}
(ii)

{5,1}
(iii)

{0,1,2,3,5}
(iv)

{3,5,1,2}
(v)

{2,3}

Question 18

18.

The symmetric difference of set A = {7,4,8,5,3} and set B = {5,4,10,1,3} is

(i)

{10,1}
(ii)

{8,1,7,5,10}
(iii)

{7,10,1}
(iv)

{10,8,7,1}
(v)

{7,8}

Question 19

19.

The symmetric difference of set A = {4,0,5,11,1,14} and set B = {10,15,11,1,13,14} is

(i)

{5,15,13,4,0,10}
(ii)

{10,13,15}
(iii)

{10,5,4,1,13,0,15}
(iv)

{15,13,0,4,10}
(v)

{0,5,4}

Assignment Key