Class 8 - Set Operation Worksheet 1
1. If P, Q are two sets, then P ∪ Q = {x|x ∈ P and x ∈ Q}. Mark True / False.
a) True b) False
2. If P, Q are two sets, then P ∩ Q = {x|x ∈ P or x ∈ Q}. Mark True / False.
a) True b) False
3. If P, Q are two sets, then P − Q = {x|x ∈ P and x ∉ Q}. Mark True / False.
a) True b) False
4. P and Q are disjoint sets if and only if P ∩ Q ≠ ∮. Mark True / False.
a) True b) False
5. P and Q are overlapping sets if and only P ∩ Q ≠ ∮. Mark True / False.
a) True b) False
6. The set {x|x ∈ w or x < 5} in roster form is {1, 2, 3, 4}. Mark True / False.
a) True b) False
7. If P is any set, then P ∪ ∮ = P. Mark True / False.
a) True b) False
8. If P is any set, then P ∩ (U) = P. Mark True / False.
a) True b) False
9. If P is any set and P' is its complement, then P ∪ P' = U. Mark True / False.
a) True b) False
10. If P is any set and P' is its complement, then P ∩ P' = ∮. Mark True / False.
a) True b) False
11. If P = {4, 5, 6, 11, 12} and Q= {5, 11, 12} then P ∩ Q = Q. Mark True / False.
a) True b) False
12. If P = {1, 2, 3, 5, 6, 7} and Q = {0, 1, 2, 3, 8, 9, 5}, then P ∪ Q = P. Mark True / False.
a) True b) False
13. If universal set U and P is any set, then P' = {x|x ∈ U and x ∉ P}. Mark True / False.
a) True b) False
14. If P, Q are two sets, then Q − P = {x|x ∈ P and x ∉ Q}. Mark True / False.
a) True b) False
15. If U = {all digits of number system}, then, set P = {multiple of 4} and Q = {multiple of 5}, then P ∩ Q = {20}. Mark True / False.
a) True b) False
16. If P and Q are two sets and its cardinal number n(P) = 25, n(Q) = 15, and n(P ∪ Q) = 30 then n(P ∩ Q) is ______?
a) 6 b) 7
c) 8 d) 10
17. If P any set, then P ∩ ∮ is ____?
a) P b) ∮
c) U d) None of these
18. If P and Q are two sets, then P − Q is defined as
a) {x|x ∈ P and x ∉ Q}
b) {x|x ∈ P and x ∈ Q}
c) {x|x ∈ P or x ∈ Q}
d) {x|x ∈ Q and x ∉ P}
19. If n(P − Q) = 21, n(Q − P) = 26 and n(P ∩ Q) = 9, find n(Q)
a) 28 b) 10
c) 17 d) 13
20. If set P = {a, b, c, d, e, f, g), Q = {a, d, e, f, g, h), find P − Q
a) {b, c} b) {d, e}
c) {e, f, g} d) {f, g}
If you want to download the above worksheet, please click below link.
Set Operation Worksheet-1Download the pdf
Class-8 Set Operation Worksheets
Answer Sheet
Set-Operation-AnswerDownload the pdf
Copyright © 2025 LetsPlayMaths.com. All Rights Reserved.
Email: feedback@letsplaymaths.com