• A. $\frac{n}{\sqrt{2}-1}$
• B. $n+\sqrt{2}$
• C. $\sqrt{2n}$
• D. $\sqrt{2\left(n+1\right)}$

Answer: Option A

Explanation:

• A. $\frac{\sqrt{3}}{2}{a}^2$
• B. $\frac{\sqrt{3}}{2}a$
• C. $\frac{\sqrt{3}}{4}{a}^2$
• D. $\frac{\sqrt{3}}{4}a$

Answer: Option C

Explanation:

• A. 16
• B. $4\sqrt{2}$
• C. $2\sqrt{4}$
• D. 32

Answer: Option B

Explanation:

• A. $০.৫০$
• B. $০.৫০০$
• C. সবগুলোই
• D. $\frac{১}{২}$

Answer: Option C

Explanation:

• A. $\frac{১}{২২}$
• B. $\frac{১}{৬৪}$
• C. $\frac{১}{৬০}$
• D. $\frac{১}{৬৫}$

Answer: Option A

Explanation:

• A. $\frac{২}{৫}$
• B. $\frac{৪}{৯}$
• C. $\frac{১}{৩}$
• D. $\frac{৩}{৭}$

Answer: Option C

Explanation:

• A. $\frac{৪}{২৭}$
• B. $\frac{৭}{৩৬}$
• C. $\frac{১১}{৪৫}$
• D. $\frac{২}{৯}$

Answer: Option A

Explanation:

• A. $\frac{3\sqrt{3}}{4}{x}^2$
• B. $\frac{\sqrt{3}}{4}{x}^2$
• C. $\frac{4}{\sqrt{3}}{r}^2$
• D. $\frac{\sqrt{3}}{4}{a}^2$

Answer: Option B

Explanation:

• A. $4\sqrt{2}$
• B. $16$
• C. $32$
• D. $32\sqrt{2}$

Answer: Option A

Explanation:

• A. $১১\frac{১}{৯}\%$
• B. $৮\frac{১}{৩}\%$
• C. $১০\%$
• D. $৮\%$

Answer: Option A

Explanation:

• A. $২১\sqrt{৩}$বর্গ সে.মি.
• B. $২৩\sqrt{২}$বর্গ সে.মি.
• C. $২৫\sqrt{৩}$বর্গ সে.মি.
• D. $২৭\sqrt{৩}$বর্গ সে.মি.

Answer: Option D

Explanation:

• A. $0.4°$
• B. $\sqrt{9}$
• C. $5.6°39°$
• D. $\sqrt{\frac{27}{48}}$

Answer: Option D

Explanation:

• A. $\frac{১}{২২}$
• B. $\frac{১}{৬৪}$
• C. $\frac{১}{৬০}$
• D. $\frac{২}{৬৫}$

Answer: Option A

Explanation:

• A. $\frac{\sqrt{3}}{2} a^2$
• B. $\frac{2}{3}{a}^2$
• C. $\frac{2}{\sqrt{3}}{a}^2$
• D. $\frac{\sqrt{3}}{4} a^2$

Answer: Option D

Explanation:

• A. $\frac{5}{11}$
• B. $\frac{1}{2}$
• C. $\frac{3}{5}$
• D. $\frac{6}{11}$

Answer: Option A

Explanation: