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

Answer: Option B

Explanation:

• A. $\sin 120°=\sin 60°+\sin 60°$
• B. $\sin 120°=2 \sin 60° \cos 60°$
• C. $\sin 120°=2 \sin 60° 60°$
• D. $\sin 120°=-\frac{1}{2}$

Answer: Option B

Explanation:

• A. $5$ গুন
• B. $\frac{1}{5}$ গুন
• C. $\frac{5}{2}$ গুন
• D. $\frac{2}{5}$ গুন

Answer: Option B

Explanation:

• A. $\frac{1}{52}$
• B. $\frac{1}{26}$
• C. $\frac{3}{52}$
• D. $\frac{1}{13}$

Answer: Option D

Explanation:

• A. $p+q$
• B. $p+q+1$
• C. $pq$
• D. $pq+2$

Answer: Option A

Explanation:

• A. $\frac{x}{100}\%$
• B. $\frac{x}{5}\%$
• C. $\frac{25}{x}\%$
• D. $\frac{500}{x}\%$

Answer: Option D

Explanation:

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

Answer: Option A

Explanation:

• A. $\left(10x+20\right)/\left(x+5\right)/15$
• B. $\left(10x+20\right)/\left(x+5\right)$
• C. $\left(x+10\right)/1.5$
• D. কোনটিই নয়

Answer: Option C

Explanation:

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

Answer: Option A

Explanation:

• 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: