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

Answer: Option A

Explanation:

• A. 17
• B. 18
• C. 16
• D. 20

Answer: Option A

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:

• A. $a>0$
• B. $b>0$
• C. $x\ne 0$
• D. $a\ne 1$

Answer: Option C

Explanation:

• B. 1
• C. $\sqrt{2}$
• D. i

Answer: Option B

Explanation:

• A. 9
• B. 3
• C. 7

Answer: Option D

Explanation:

• A. $\pi r$
• B. $\pi r^2$
• C. $\pi r^3$
• D. $2r$

Answer: Option B

Explanation:

• 
• A. ৬
• B. ১০
• C. ১১
• D. ১২

Answer: Option D

Explanation:

• A. p টি
• B. $\frac{m^2}{p}$
• C. $\frac{m}{p^2}$
• D. mp টি

Answer: Option B

Explanation:

• A. 4
• B. 6
• C. 8
• D. 2

Answer: Option B

Explanation:

• A. 2
• B. 4
• C. 9
• D. 10

Answer: Option D

Explanation:

• A. 2
• B. 3
• C. 7
• D. 9

Answer: Option C

Explanation:

• A. ${\text{4 x}}^2{\text{ y}}^2$
• B. ${\text{8 x y}}^2{\text{ − 6 y}}^2$
• C. ${\text{2 x}}^2{\text{ y − 8 x y}}^2{\text{ − 6 y}}^2$
• D. ${\text{2 x}}^2{\text{ y + 2 x y}}^2$

Answer: Option D

Explanation:

• A. 20 °
• B. $22\frac{1}{2}°$
• C. 23 °
• D. $23\frac{1}{2}°$

Answer: Option B

Explanation: