• A. log 30
• B. log 40
• C. 3 log 7
• D. log 13

Answer: Option B

Explanation:

• A. $\frac{7}{3}$
• B. $3$
• C. $\frac{8}{3}$
• D. $2$

Answer: Option D

Explanation:

• A. $9$
• B. $27$
• C. $18$
• D. $81$

Answer: Option B

Explanation:

• A. 9
• B. 27
• C. 18
• D. 81

Answer: Option B

Explanation:

• A. 6
• B. 3
• C. 4
• D. 5

Answer: Option D

Explanation:

• A. $1$
• B. $2^{n+1}$
• C. $3$
• D. $2^n$

Answer: Option B

Explanation:

• A. $8$
• B. $2$
• C. $15$
• D. $10$

Answer: Option C

Explanation:

• A. 2
• B. 3
• C. 4
• D. 6

Answer: Option C

Explanation:

• A. $\left(1,2\right)$
• B. $\left(0,2\right)$
• C. $\left(1,3\right)$
• D. $\left(0,1\right)$

Answer: Option D

Explanation:

• A. $2$
• B. $2^{n+1}$
• C. $2^n$
• D. $2^{n-1}$

Answer: Option A

Explanation:

• A. 2
• B. 100
• C. 37
• D. 4.6

Answer: Option A

Explanation:

• A. $1/3$
• B. $7/3$
• C. $2$
• D. $3$

Answer: Option A

Explanation:

• A. $\frac{5}{2}$
• B. $\frac{1}{2}$
• C. $\frac{125}{2}$
• D. $\frac{25}{\sqrt{5}}$

Answer: Option A

Explanation:

• B. 1
• C. -1
• D. 4

Answer: Option A

Explanation:

• A. 2
• B. 3
• C. 4
• D. 1

Answer: Option B

Explanation: