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

Answer: Option B

Explanation:

• A. $\sqrt{২}$
• B. $৪$
• C. $১$
• D. $২\sqrt{৩}$

Answer: Option B

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. $\frac{100-y}{100}$
• B. $\frac{100-x}{100}$
• C. $\frac{110-y}{100y}$
• D. $\frac{100y}{110-y}$

Answer: Option D

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: