• A. 1
• B. 2
• D. 3

Answer: Option A

Explanation:

• A. 2
• C. 1
• D. 4

Answer: Option B

Explanation:

• A. 1
• B. 2
• C. $\sqrt{2}$
• D. 3

Answer: Option A

Explanation:

• B. 1
• C. 2
• D. 4

Answer: Option B

Explanation:

• A. 1
• B. 2
• C. 3
• D. 4

Answer: Option B

Explanation:

• A. $\left(x^2-5\right)\left(x^2+4\right)$
• B. $\left(x^2+5\right)\left(x^2-4\right)$
• C. $\left(x^2-5\right)\left(x^2-4\right)$
• D. $\left(x^2-5\right)\left(x-4\right)$

Answer: Option B

Explanation:

• A. $\left(x^2+x+1\right)\left(x^2+x-1\right)$
• B. $\left(x^2-x+1\right)\left(x^2+x-1\right)$
• C. $\left(x^2+x+1\right)\left(x^2-x+1\right)$
• D. $\left(x^2+x+1\right)\left(x+x+1\right)$

Answer: Option C

Explanation:

• A. $x^2-x+1$
• B. $x^3+1$
• C. $x+1$
• D. $x^2+x+1$

Answer: Option A

Explanation:

• A. $\sqrt{5}$
• B. $5$
• C. $2$
• D. $\sqrt{5}$

Answer: Option D

Explanation:

• A. 10
• B. 9
• C. 2
• D. -9

Answer: Option B

Explanation:

• A. 10
• B. 100
• C. 1000
• D. 10000

Answer: Option C

Explanation:

• A. 3
• B. 4
• C. 5
• D. 6

Answer: Option B

Explanation:

• A. 3
• B. 4
• C. 5
• D. 6

Answer: Option B

Explanation:

• A. 10$\sqrt{3}$
• B. 15$\sqrt{3}$
• C. -10$\sqrt{2}$
• D. 10$\sqrt{2}$

Answer: Option D

Explanation:

• A. $12$
• B. $10$
• C. $14$
• D. $16$

Answer: Option C

Explanation: