• A. $60°$
• B. $50°$
• C. $30°$
• D. $45°$

Answer: Option A

Explanation:

• A. $\frac{\mathrm{\pi rx}}{180°}$ একক
• B. $\frac{\mathrm{rx}}{180°}$ একক
• C. $rx$ একক
• D. $\frac{\mathrm{\pi x}}{180°}$ একক

Answer: Option A

Explanation:

• A. $27$
• B. $18$
• C. $9$
• D. $6$

Answer: Option A

Explanation:

• A. $\frac{1}{7}$
• B. $\frac{1}{9}$
• C. $\frac{1}{11}$
• D. $\frac{1}{13}$

Answer: Option D

Explanation:

• A. $16$
• B. $32$
• C. $48$
• D. $64$

Answer: Option D

Explanation:

• A. $0.00001$
• B. $0.0001$
• C. $0.001$
• D. $0.01$

Answer: Option C

Explanation:

• A. $\sqrt{3}$
• B. $\sqrt{7}$
• C. $5$
• D. $7$

Answer: Option C

Explanation:

• A. $3$
• B. $7$
• C. $25$
• D. $52$

Answer: Option C

Explanation:

• A. $2$
• B. $3$
• C. $4$
• D. $5$

Answer: Option B

Explanation:

• A. ৩
• B. ৬
• C. ৯
• D. ১৮

Answer: Option B

Explanation:

• A. $\frac{1}{\sqrt{3}}$
• B. $\frac{1}{\sqrt{5}}$
• C. $\sqrt{3}$
• D. $\sqrt{5}$

Answer: Option A

Explanation:

• A. পূর্ব
• B. পশ্চিম
• C. উত্তর
• D. দক্ষিণ

Answer: Option B

Explanation:

• A. ৭১
• B. ৪১
• C. ৩১
• D. ৩৯

Answer: Option C

Explanation:

• A. $35\sqrt{5}$
• B. $40\sqrt{5}$
• C. $45\sqrt{5}$
• D. $50\sqrt{5}$

Answer: Option D

Explanation:

• A. $\frac{x+y}{mn}$
• B. $\frac{x+y}{m+n}$
• C. $\frac{mx+ny}{m+n}$
• D. $\frac{mx+ny}{mn}$

Answer: Option C

Explanation: