• A. 12
• B. 14
• C. 16
• D. 18

Answer: Option D

Explanation:

• A. $\frac{4}{3}$
• B. $\frac{3}{4}$
• C. 4
• D. ক ও খ উভয়ই

Answer: Option D

Explanation:

• A. 11
• B. 13
• C. 15
• D. 17

Answer: Option C

Explanation:

• A. $-\frac{26}{27}$
• B. $\frac{1}{27}$
• C. $-\frac{1}{27}$
• D. $\frac{26}{27}$

Answer: Option A

Explanation:

• A. 10
• B. 19
• C. 59
• D. 99

Answer: Option D

Explanation:

• A. $8\sqrt{5}$
• B. $10\sqrt{2}$
• C. 5
• D. 8

Answer: Option A

Explanation:

• A. 9
• B. $9^x-1$
• C. $9^x+1$
• D. $9^{x-1}$

Answer: Option C

Explanation:

• A. 91
• B. 81
• C. 101
• D. 85

Answer: Option A

Explanation:

• A. 5
• B. 10
• C. 9
• D. 7

Answer: Option A

Explanation:

• A. 8
• B. 4
• C. 3
• D. 2

Answer: Option C

Explanation:

• A. 4.0
• B. 1.0
• C. 2.0
• D. 3.0

Answer: Option A

Explanation:

• A. a+b =0
• B. a-b=0
• C. a+b+1=0
• D. a+b-1=0

Answer: Option C

Explanation:

• A. ৬০%
• B. ৭০%
• C. ৮০%
• D. ৯০%

Answer: Option C

Explanation:

• A. $\frac{1}{3}$
• B. $-\frac{1}{3}$
• C. $\frac{1}{2}$
• D. $-\frac{1}{2}$

Answer: Option D

Explanation:

• A. 3
• B. 4
• C. 5
• D. 6

Answer: Option B

Explanation: