• A. $9\sqrt{3}$
• B. $\frac{9\sqrt{3}}{4}$
• C. $\frac{3\sqrt{3}}{4}$
• D. $\frac{2\sqrt{3}}{4}$

Answer: Option B

Explanation:

• A. $225\mathrm{\pi }$
• B. $169\mathrm{\pi }$
• C. $121\mathrm{\pi }$
• D. $144\mathrm{\pi }$

Answer: Option A

Explanation:

• A. $\frac{\theta }{360}{\mathrm{\pi r}}^2$বর্গ একক
• B. $\frac{\theta }{90}{\mathrm{\pi r}}^2$বর্গ একক
• C. $\frac{\theta }{210}{\mathrm{\pi r}}^2$বর্গ একক
• D. $\frac{\theta }{180}{\mathrm{\pi r}}^2$বর্গ একক

Answer: Option A

Explanation:

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

Answer: Option B

Explanation:

• A. $-1$
• B. $1/2$
• C. $0$
• D. $1$

Answer: Option B

Explanation:

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

Answer: Option D

Explanation:

• A. $12/5$
• B. $13/12$
• C. $25/144$
• D. $-\frac{13}{12}$

Answer: Option B

Explanation:

• A. ${\sin }^2\theta +{\cos }^2=1$
• B. $\sin \theta +\cos \theta <1$
• C. ${\tan }^2\theta -{\sec }^2\theta =1$
• D. ${\sin }^2+{\cos }^2>1$

Answer: Option A

Explanation:

• A. $a-b$
• B. $a+b$
• C. $12\left(a^2-b^2\right)$
• D. $2$

Answer: Option D

Explanation:

• A. $4$
• B. $5$
• C. $25$
• D. $50$

Answer: Option A

Explanation:

• A. $\left(2y^2+6y+2\right)\left(y^2-3y+1\right)$
• B. $\left(2y^2-7y+1\right)\left(2y^2+7y+1\right)$
• C. $\left(2y^2+3y+1\right)\left(y^2-3y+1\right)$
• D. $2\left(y^2+3y+1\right)\left(y^2-3y+1\right)$

Answer: Option C

Explanation:

• A. $0$
• B. $54$
• C. $9$
• D. $45$

Answer: Option A

Explanation:

• A. ২০ মিনিট পর
• B. ৩০ মিনিট পর
• C. ৫০ মিনিট পর
• D. ১০০ মিনিট পর

Answer: Option B

Explanation:

• A. $\frac{আসল\times সময়}{১০০০}$
• B. $\frac{১০০\times সুদ}{সময়\times আসল}$
• C. $\frac{১০০\times সুদাসল}{সময়\times হার}$
• D. $\frac{সুদের হার\times আসল \times সময় }{১০০}$

Answer: Option D

Explanation:

• A. $২\frac{১}{২}$
• B. $৬\frac{১}{৪}$
• C. $২\frac{১}{৪}$
• D. $২৬\frac{১}{২}$

Answer: Option C

Explanation: