• A. πa
• B. $\pi a^2$
• C. 2πa
• D. $2\pi a^2$

Answer: Option A

Explanation:

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

Answer: Option B

Explanation:

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

Answer: Option A

Explanation:

• A. $\frac{১}{২}$ (ভূমি × উচ্চতা)
• B. দৈর্ঘ × প্রস্থ
• C. ২(দৈর্ঘ × প্রস্থ)
• D. ভূমি × উচ্চতা

Answer: Option D

Explanation:

• A. $\frac{৩}{৪}$
• B. $\frac{২}{৫}$
• C. $\frac{১}{৬}$
• D. $\frac{৫}{৮}$

Answer: Option A

Explanation:

• A. $x^2+y^2$
• B. $\sqrt{x^2+y^2}$
• C. ${\left(x+y\right)}^2$
• D. $x+y$

Answer: Option B

Explanation:

• A. $\frac{\overline{)7}}{\overline{)2}}$
• B. $\frac{\overline{)7}}{\overline{)5}}$
• C. $\frac{\overline{)5}}{\overline{)2}}$
• D. $\frac{\overline{)7}}{\left|2\right|5}$

Answer: Option A

Explanation:

• A. $\frac{\mathrm{১}}{\mathrm{৬}}$
• B. $\frac{\mathrm{৩}}{\mathrm{১}\mathrm{৫}}$
• C. $\frac{\mathrm{২}}{\mathrm{১}\mathrm{১}}$
• D. $\frac{\mathrm{২}}{\mathrm{১}\mathrm{৩}}$

Answer: Option D

Explanation:

• A. ০.৩
• B. $\sqrt{০.৩}$
• C. $\frac{১}{৩}$
• D. $\frac{৩}{১}$

Answer: Option A

Explanation:

• A. ফেস কারেন্টের অর্ধেক
• B. ফেস কারেন্টের$\frac{1}{\sqrt{3}}$ভাগ
• C. ফেস কারেন্টের$\sqrt{3}$গুন
• D. ফেস কারেন্টের সমান

Answer: Option D

Explanation:

• A. $১১\frac{১}{৯}\%$
• B. $১২\%$
• C. $১০\%$
• D. $১৮\frac{১}{৩}\%$

Answer: Option A

Explanation:

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

Answer: Option C

Explanation:

• A. $\frac{১}{২২}$
• B. $\frac{১}{২৪}$
• C. $\frac{১}{৬০}$
• D. $\frac{১}{৬৫}$

Answer: Option A

Explanation:

• A. $\frac{৪}{১৩}$
• B. $\frac{৫}{১৭}$
• C. $\frac{৭}{১৮}$
• D. $\frac{৩}{১১}$

Answer: Option D

Explanation:

• A. ৩
• B. $\frac{২২}{৭}$
• C. $\frac{২৫}{৯}$
• D. ৫

Answer: Option B

Explanation: