• A. 120°
• B. 100°
• C. 90°
• D. 80°

Answer: Option D

Explanation:

• A. 90°
• B. 120°
• C. 150°
• D. 180°

Answer: Option B

Explanation:

• A. 54°
• B. 72°
• C. 108°
• D. 126°

Answer: Option D

Explanation:

• A. πr2/b
• B. πr2/b2
• C. πr/b
• D. π/b

Answer: Option A

Explanation:

• A. বেলনের
• B. কোণকের
• C. ঘনকের
• D. গোলকের

Answer: Option B

Explanation:

• A. $9/4$
• B. $2/5$
• C. $3$
• D. $25/4$

Answer: Option B

Explanation:

• A. $\frac{5}{7}$
• B. $\frac{3}{7}$
• C. $\frac{3}{5}$
• D. $\frac{1}{5}$

Answer: Option A

Explanation:

• A. 5/2
• B. 3/4
• C. 3/5
• D. 2/5

Answer: Option D

Explanation:

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

Answer: Option C

Explanation:

• A. ০°
• B. ৩০°
• C. ৪৫°
• D. ৯০°

Answer: Option C

Explanation:

• A. ০
• B. ১
• C. -১
• D. ৯০

Answer: Option C

Explanation:

• A. ১/৪ (√৬ + √২)
• B. √৭ + √৫
• C. ১/৫ (√৩ + √৮)
• D. কোনটিই নয়

Answer: Option A

Explanation:

• B. -2
• C. 1
• D. -1

Answer: Option D

Explanation:

• A. $\frac{5}{4}$
• B. $\frac{4}{9}$
• C. $\frac{3}{5}$
• D. $\frac{5}{3}$

Answer: Option D

Explanation:

• A. $4/3$
• B. $3/4$
• C. $3/5$
• D. $5/4$

Answer: Option A

Explanation: