# Worksheet: Universal Set

In this worksheet, we will practice finding the suitable universal set for two or more given sets.

**Q2: **

If is the set of math teachers in a school and is the set of science teachers in the school, which of the following could be the universal set that contains and ?

- A is the set of science teachers in the school.
- B is the set of math teachers in the school.
- C is the set of all teachers in the school.

**Q3: **

Given that is a subset of the universal set , what is ?

- A
- B
- C
- D

**Q4: **

If , which of these is a suitable universal set?

- A is the set of governorates of Libya.
- B is the set of governorates of Egypt.
- C is the set of governorates of Somalia.
- D is the set of Arab countries.

**Q5: **

Given that , , and and are subsets of some universal set , which of the following could be true?

- A
- B
- C
- D

**Q6: **

If , and are subsets of a universal set , which of the following could describe ?

- A
- B
- C
- D
- E

**Q7: **

Given that is the universal set, what is ?

- A
- B
- C0
- D

**Q8: **

Given that is the universal set, what is ?

- A
- B
- C0
- D

**Q9: **

Given , , and the universal set , find .

- A
- B
- C
- D
- E

**Q10: **

Given , , and a universal set , find .

- A
- B
- C
- D

**Q11: **

Take the universal set to be the set of numbers between (but not including) 1 and 10. Given that and , what is ?

- A
- B
- C
- D
- E

**Q12: **

Take the universal set to be the set of even numbers that are less than 16. If and , what is ?

- A
- B
- C
- D

**Q13: **

What is ?

- A0
- B
- C
- D

**Q14: **

Given , , and a universal set , find .

- A
- B
- C
- D
- E

**Q15: **

Take the universal set to be the set of numbers between, but not including, 1 and 11. Given that and , what is ?

- A
- B
- C
- D
- E

**Q16: **

If , , and where is the universal set, what is ?

- A
- B
- C
- D

**Q17: **

Given , , and the universal set , find .

- A
- B
- C
- D

**Q18: **

Given that , , and and are subsets of some universal set , which of the following could be true?

- A
- B
- C
- D

**Q19: **

If , and are subsets of a universal set , which of the following could describe ?

- A
- B
- C
- D
- E