**Q3: **

Find .

- A
- B
- C
- D

**Q4: **

If , then .

- A
- B

**Q5: **

Given that , , and , write the set of common elements in and . Then write the set of elements common to and and .

- A ,
- B ,
- C ,
- D ,

**Q6: **

If , what is ?

- A
- B
- C
- D

**Q7: **

Use or to fill in the gap: .

- A
- B

**Q8: **

Find .

- A
- B
- C
- D
- E

**Q9: **

Find .

- A
- B
- C
- D
- E

**Q10: **

What is ?

- A
- B
- C
- D
- E

**Q11: **

Find .

- A
- B
- C
- D

**Q12: **

If and , what is ?

- A
- B
- C
- D

**Q13: **

If , , and , what is ?

- A
- B6
- C7
- D
- E

**Q14: **

Given that , , and , find .

- A
- B
- C
- D

**Q15: **

Find the intersection set between the set of digits of the number 666 and the set of digits of the number 66.

- A
- B
- C
- D

**Q16: **

and is the set of digits of the number 9β922. Find .

- A
- B
- C
- D
- E

**Q17: **

If , what is ?

**Q18: **

If , then .

- A
- B

**Q19: **

If , then .

- A
- B

**Q20: **

Use or to fill in the gap: .

- A
- B

**Q21: **

What is the intersection between the set of digits of the number 72β240 and the set of digits of the number 67β689?

- A
- B
- C
- D
- E

**Q22: **

Given that , what is the value of ?

**Q23: **

Use or to fill in the gap: .

- A
- B

**Q24: **

Use or to fill in the gap: .

- A
- B

**Q25: **

If , , and , what is ?

- A
- B
- C
- D