• A. 60 ডিগ্রী
• B. 75ডিগ্রী
• C. 30ডিগ্রী
• D. 45ডিগ্রী

Answer: Option D

Explanation:

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

Answer: Option D

Explanation:

• A. $5 cm and 5 cm$
• B. $5 cm and10 cm$
• C. $10 cm and 5\sqrt{3 }cm$
• D. $5 cm and 5\sqrt{3 }cm$

Answer: Option D

Explanation:

• A. $\frac{\pi }{6}cm$
• B. $6\pi cm$
• C. $10\pi cm$
• D. $20\pi cm$

Answer: Option C

Explanation:

• A. $x^2$বর্গমিটার
• B. $2x$বর্গমিটার
• C. ${\left(\frac{x}{2}\right)}^2$বর্গমিটার
• D. ${\left(\frac{\sqrt{x}}{3}\right)}^3$বর্গমিটার

Answer: Option B

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. $a^2=b^2+c^2$
• B. $b^2=c^2+a^2$
• C. $c^2=a^2+b^2$
• D. কোনটিই নয়

Answer: Option C

Explanation:

• A. $\frac{4}{5}$
• B. $\frac{3}{5}$
• C. $\frac{3}{4}$
• D. $\frac{4}{5}$

Answer: Option B

Explanation:

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

Answer: Option C

Explanation:

• A. $a^{mn}$
• B. $a^{\frac{m}{n}}$
• C. $a^{\frac{n}{m}}$
• D. $a^{-\frac{n}{m}}$

Answer: Option C

Explanation:

• A. $\sin \theta$
• B. $\cos \theta$
• C. $\tan \theta$
• D. $cot\theta$

Answer: Option B

Explanation:

• A. জটিল সংখ্যা
• B. মূলদ সংখ্যা
• C. অমূলদ সংখ্যা
• D. বাস্তব সংখ্যা

Answer: Option C

Explanation:

• A. $\infty$
• B. $-\infty$
• C. $1$
• D. $-1$

Answer: Option A

Explanation:

• B. -2
• C. 1
• D. -1

Answer: Option D

Explanation:

• A. 12
• B. 36
• C. 48
• D. 144

Answer: Option D

Explanation: