• A. ৬ দিন
• B. ৭ দিন
• C. ৮ দিন
• D. ৯ দিন

Answer: Option A

Explanation:

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

Answer: Option A

Explanation:

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

Answer: Option A

Explanation:

• A. $2\sqrt{5}$
• B. $10$
• C. $5\left(1+\sqrt{2}\right)$
• D. $5+2\sqrt{5}$

Answer: Option C

Explanation:

• A. $3$
• B. $3\sqrt{2}$
• C. $6\sqrt{2}$
• D. $8\sqrt{2}$

Answer: Option C

Explanation:

• A. $৩০\frac{১}{৩}\%$
• B. $৩১\frac{১}{৩}\%$
• C. $৩২\frac{১}{৩}\%$
• D. $৩৩\frac{১}{৩}\%$

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

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:

• A. ${10}^{-8}m$
• B. ${10}^{-10}m$
• C. ${10}^{-12}m$
• D. ${10}^{-6}m$

Answer: Option B

Explanation:

• A. $x^{-2}$
• B. $e^x$
• C. $x^2$
• D. $e^{-x^2}$

Answer: Option D

Explanation:

• A. $১{০}^{-৮}$
• B. $১{০}^{-৯}$
• C. $১{০}^{-৭}$
• D. $১{০}^{-৬}$

Answer: Option B

Explanation: