• A. ${\mathrm{\pi r}}^2$
• B. πr
• C. $2{\mathrm{\pi r}}^2$
• D. 2 πr

Answer: Option D

Explanation:

• A. $+1\surd kmm$
• B. $+2\underline{\surd k}mm$
• C. $+3\surd km\underline{m}$
• D. $+4\surd kmm$

Answer: Option A

Explanation:

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

Answer: Option A

Explanation:

• A. $\frac{7}{2}$
• B. $\frac{3}{4}$
• C. $\frac{2}{5}$
• D. $\frac{4}{3}$

Answer: Option D

Explanation:

• A. $\frac{৩}{৫}$
• B. $\frac{২}{৯}$
• C. $\frac{৩}{৭}$
• D. $\frac{৫}{৩}$

Answer: Option C

Explanation:

• A. 0.02
• B. 1 ÷ 100
• C. ${10}^{-3}$
• D. None

Answer: Option C

Explanation:

• A. $৭\frac{১}{২}$স্টোন
• B. $৮$স্টোন
• C. $৮\frac{১}{২}$স্টোন
• D. $৯$স্টোন

Answer: Option C

Explanation:

• A. $৪\frac{৩}{৭}$
• B. $৩\frac{৩}{৭}$
• C. ৪ কি.মি.
• D. ৩ কি.মি.

Answer: Option B

Explanation:

• A. $\frac{১}{৪}$
• B. $\frac{৫}{৮}$
• C. $\frac{৭}{১২}$
• D. $\frac{১১}{১৫}$

Answer: Option D

Explanation:

• A. $\frac{৩}{৫}$
• B. $\frac{৪}{১৫}$
• C. $\frac{২}{২০}$
• D. $\frac{৭}{২৫}$

Answer: Option A

Explanation:

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

Answer: Option C

Explanation:

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

Answer: Option D

Explanation:

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

Answer: Option A

Explanation:

• A. $\frac{\sqrt{3}}{4}{a}^2$
• B. $\frac{\sqrt{3}}{2}{a}^2$
• C. $\frac{3}{4}{a}^2$
• D. $\sqrt{\frac{1}{2}}{a}^2$

Answer: Option A

Explanation:

• A. $\frac{\mathrm{৫}}{\mathrm{৬}}$
• B. $\frac{\mathrm{১}\mathrm{২}}{\mathrm{১}\mathrm{৫}}$
• C. $\frac{\mathrm{১}\mathrm{১}}{\mathrm{১}\mathrm{৪}}$
• D. $\frac{\mathrm{১}\mathrm{৭}}{\mathrm{২}\mathrm{১}}$

Answer: Option C

Explanation: