• A. $\frac{1}{9}$
• B. $\frac{1}{4}$
• C. $\frac{1}{16}$
• D. $\frac{1}{3}$

Answer: Option B

Explanation:

• A. 30
• B. 60
• C. 225
• D. 15

Answer: Option C

Explanation:

• A. 16
• B. 9
• C. 8
• D. 4

Answer: Option B

Explanation:

• A. $\sqrt{২}$
• B. ৪
• C. $\sqrt{৩}$
• D. $২\sqrt{১}$

Answer: Option B

Explanation:

• A. 80°
• B. 90°
• C. 100°
• D. 120°

Answer: Option B

Explanation:

• A. $\frac{5}{27}$
• B. $\frac{7}{36}$
• C. $\frac{11}{45}$
• D. $\frac{2}{9}$

Answer: Option A

Explanation:

• A. sin 1 ° = sin 179 °
• B. sin 1 ° < sin 179 °
• C. sin 1 ° < sin 180 °
• D. sin 1 ° = sin 181 °

Answer: Option A

Explanation:

• A. 17
• B. 18
• C. 16
• D. 20

Answer: Option A

Explanation:

• A. 8
• B. 12
• C. 24
• D. 16

Answer: Option A

Explanation:

• A. -20
• B. 52
• C. 25
• D. 32

Answer: Option A

Explanation:

• A. 36
• B. 1
• C. 6
• D. 18

Answer: Option D

Explanation:

• A. 1
• B. -2
• C. -1
• D. 2

Answer: Option D

Explanation:

• A. $\frac{3}{2}$
• B. $\frac{3}{4}$
• C. $\frac{2}{3}$
• D. $\frac{1}{2}$

Answer: Option C

Explanation:

• A. ২০
• B. $২০\sqrt{২}$
• C. $২০\sqrt{৩}$
• D. ৪০০

Answer: Option C

Explanation:

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

Answer: Option B

Explanation: