LetsPlayMaths.Com

WELCOME TO THE WORLD OF MATHEMATICS
Class I Class II Class III Class IV Class V Class VI Class VII Class VIII Class IX Contact Us

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

Set Operation Worksheet - 1

Set Operation Worksheet - 2

Answer Sheet

Set-Operation-AnswerDownload the pdf











Copyright © 2024 LetsPlayMaths.com. All Rights Reserved.
Email: feedback@letsplaymaths.com