Worksheet on Operation on Sets

Worksheet on operation on sets we will solve 10 different types questions on math sets.

1. Find the union of each of the following pairs of sets.

(a) A = {2, 4, 6} 

     B = {1, 2, 3} 

(b) P = {a, e, i, o, u} 

    Q = {a, b, c, d} 

(c) X = {x : n ∈ N, x = 2n, n < 4} 

     Y = {x : x is an even number less than 10} 

(d) M = {x : x is natural number and multiple of 3} 


     N = {x : x is a prime number less than 19}

(e) D = {x : x is an integer -3 < x < 3}

     E = {x : x is a factor of 8}

(f) G = {x : x ∈ N, x < 7}

     H = {x : x ∈ Z, -2 ≀ x ≀ 3}


2. Find the intersection of each of the following pairs of sets.

(a) A = {1, 4, 9, 16}

     B = {3, 6, 9, 12}

(b) C = {p, q, r, s}

     D = {a, b}

(c) P = {x : n ∈ N, x = 3n   n< 3}

    Q = {x : x ∈ N   x < 7}

(d) X = {x : x is a letter of the word β€˜LOYAL’}

     Y = {x : x is a letter in the word β€˜FLOW’}

(e) G = {x : x = n2, when n ∈ N}

     H = {x : x = 4n, when n ∈ W   n < 5}


3. If P = {1, 2, 3}   Q = {2, 3, 4}   R = {3, 4, 5}   S = {4, 5, 6}, find

(a) P βˆͺ Q

(b) P βˆͺ R

(c) Q βˆͺ R

(d) Q βˆͺ S

(e) P βˆͺ Q βˆͺ R

(f) P βˆͺ Q βˆͺ S

(g) Q βˆͺ R βˆͺ S

(h) P ∩ Q

(i) P ∩ R

(j) Q ∩ R

(k) Q ∩ S

(l) P ∩ Q ∩ R

(m) P ∩ Q ∩ S

(n) Q ∩ R ∩ S


4. If A = {a, b, c, d}   B = {b, c, d, e}   C = {c, d, e, f}   D = {d, e, f, g}, find

(a) A - B 

(b) B - C

(c) C - D 

(d) D - A 

(e) B - A 

(f) C - B 

(g) D - C

(h) A - D


5. Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} 

A = {1, 2, 4, 6, 8, 10}

B = {1, 3, 5, 7, 8, 9}

Find: 

(a) A' 

(b) B' 

(c) A' βˆͺ B'

(d) A' ∩ B'

(e) (A βˆͺ B)'

Also show (A βˆͺ B)' = A' ∩ B'.



6. Find the complement of the following sets if universal set is the set of natural numbers.

(a) {x : x is a prime number} 

(b) {x : x is a multiple of 2}

(c) {x : x is a perfect cube} 

(d) {x : x β‰₯ 10} 

(e) {x : x Π„ N, 5x + 1 > 20}

(f) {x : x is an odd natural number} 


Worksheet on Operation on Sets

7. If U = {a, b, c, d, e, f} find the complement of the following.

(a) A = { }

(b) B = {c, d, f} 

(c) D = {a, b, c, d, e, f}

(d) C = {a, b, d} 

(e) E = {b, c} 

(f) F = {a, c, f} 


8. If U = {1, 2, 3, 4, 5, 6} and A = {2, 3, 6}, find

(a) A βˆͺ A' 

(b) βˆ… ∩ A

(c) A ∩ A'

(d) U' ∩ A



9. Let P = {1, 3, 5, 7}   Q = {3, 7, 9, 11}   R = {1, 5, 8, 11}, then verify the following.

(a) P βˆͺ Q = Q βˆͺ P

(b) (P βˆͺ Q) βˆͺ R = P βˆͺ (Q βˆͺ R) 

(c) P ∩ Q = Q ∩ P 

(d) (P ∩ Q) ∩ R = P ∩ (Q ∩ R) 

(e) P βˆͺ (Q ∩ R) = (P βˆͺ Q) ∩ (P βˆͺ R) 

(f) P ∩ (Q βˆͺ R) = (P ∩ Q) βˆͺ (P ∩ R) 

Worksheet on Operation on Sets

10. Let U = {a, b, c, d, e, f, g},   A = {a, c ,f , g},   B = {f, g, b, d}

Verify: 

(a) (A βˆͺ B)' = (A' ∩ B') 

(b) (A ∩ B)' = (A' βˆͺ B') 


Answers for worksheet on operation on sets are given below so that students can check the answers. 

Worksheet on Operation on Sets Answers:


1. (a) {1, 2, 3, 4, 6} 

(b) {a, b, c, d, e, i, o, u} 

(c) {2, 4, 6, 8} 

(d) {2, 3, 5, 7, 9, 11, 13, 17, 6, 9, 12, 15, ….} 

(e) {-2, -1, 0, 1, 2, 4, 8} 

(f) {-2, -1, 0, 1, 2, 3, 4, 5, 6} 


2. (a) {9} 

(b) d 

(c) {3, 6} 

(d) {L, O}(e) {4, 16}


3. (a) {1, 2, 3, 4} 

(b) {1, 2, 3, 4, 5} 

(c) {2, 3, 4, 5} 

(d) {2, 3, 4, 5, 6} 

(e) {1, 2, 3, 4, 5}

(1) {1, 2, 3, 4, 5, 6} 

(g) {2, 3, 4, 5, 6} 

(h) {2, 3} 

(i) {3} 

(j) {3, 4} 

(k) {4} 

(l) {3}

(m) βˆ… 

(n) {4}



4. (a) {a} 

(b) {b}

(c) {c} 

(d) {e, f, g}

(e) {e}

(f) {f }

(g) {g} 

(h) {a, b, c} 



5. {3, 5, 7, 9} 

(b) {2, 4, 6, 10} 

(c) {2, 3, 4, 5, 6, 7, 9, 10} 

(d) {βˆ…} 



6. (a) {x : x is composite number and 1} 

(b) {x : x is odd} 

(c) {x : x is not a perfect cube} 

(d) {x : x < 10, x ∈ N}

(e) {x : x ∈ N and x < 4}

(f) {x : x is even}



7. (a) U

(b) {a, b, e}

(c) βˆ… 

(d) {c, e, f}

(e) {a, d, e, f}

(f) {b, d, e}


8. (a) U 

(b) A 

(c) βˆ… 

(d) βˆ…

Worksheet on Operation on Sets

● Sets and Venn-diagrams Worksheets

● Worksheet on Set

● Worksheet on Elements Form a Set

● Worksheet to Find the Elements of Sets

● Worksheet on Properties of a Set

● Worksheet on Sets in Roster Form

● Worksheet on Sets in Set-builder Form

● Worksheet on Finite and Infinite Sets

● Worksheet on Equal Sets and Equivalent Sets

● Worksheet on Empty Sets

● Worksheet on Subsets

● Worksheet on Union and Intersection of Sets

● Worksheet on Disjoint Sets and Overlapping Sets

● Worksheet on Difference of Two Sets

● Worksheet on Operation on Sets

● Worksheet on Cardinal Number of a Set

● Worksheet on Venn Diagrams



7th Grade Math Problems

Math Home Work Sheets

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