• A. $5:11$
• B. $6:5$
• C. $5:6$
• D. $3:8$

Answer: Option A

Explanation:

• A. $3:24:8$
• B. $18:24:32$
• C. $12:24:28$
• D. $16:24:32$

Answer: Option B

Explanation:

• A. $y:x$
• B. $y:\frac{1}{x}$
• C. $\sqrt{x}:\sqrt{y}$
• D. $\frac{1}{x}:\frac{1}{y}$

Answer: Option A

Explanation:

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

Answer: Option B

Explanation:

• A. 3
• B. 4
• C. 6
• D. 8

Answer: Option C

Explanation:

• A. $x^{10}$
• B. $x^7$
• C. $x^3$
• D. $x^2$

Answer: Option C

Explanation:

• A. $0$
• B. $1$
• C. $-5$
• D. $5$

Answer: Option A

Explanation:

• A. 1
• B. 2
• C. 3
• D. 4

Answer: Option A

Explanation:

• A. 1
• B. $x^3$
• C. x

Answer: Option A

Explanation:

• A. 1
• B. x
• C. $x^3$

Answer: Option C

Explanation:

• A. $\frac{81}{4}$
• B. $\frac{4}{81}$
• C. 7
• D. 3

Answer: Option D

Explanation:

• A. 0.1
• B. 0.01
• C. 0.001
• D. 0.0001

Answer: Option D

Explanation:

• B. 2
• C. -1
• D. 3

Answer: Option D

Explanation:

• B. 1
• C. 2
• D. 3

Answer: Option B

Explanation:

• A. $3$
• B. $1$
• C. $2$
• D. $4$

Answer: Option B

Explanation: