• A. ৬০ ডিগ্রি
• B. ৪০ ডিগ্রি
• C. ৬৫ ডিগ্রি
• D. ১৩০ ডিগ্রি

Answer: Option C

Explanation:

• A. $8$
• B. $5$
• C. $4$
• D. $3$

Answer: Option C

Explanation:

• A. ৬
• B. ১৫
• C. ৫
• D. ১৪

Answer: Option D

Explanation:

• A. $\pm 9$
• B. $\pm 7$
• C. $\pm 5$
• D. $\pm 3$

Answer: Option B

Explanation:

• A. ${16}^x$
• B. $4^{4x}$
• C. $2^{2x+2}$
• D. $2^{8x}$

Answer: Option C

Explanation:

• A. ১ কেজি
• B. ০.৮৭০ কেজি
• C. ০.৪৫৪ কেজি
• D. ০.৯০৮ কেজি

Answer: Option D

Explanation:

• A. ৫০%
• B. ৬০%
• C. ৪৫%
• D. ৪০%

Answer: Option D

Explanation:

• A. 8
• B. 3
• C. 5
• D. 4

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:

• A. 12
• B. 48
• C. 36
• D. 144

Answer: Option D

Explanation:

• A. $30$
• B. $60$
• C. $225$
• D. $150$

Answer: Option C

Explanation:

• A. $\frac{x^2-y^2}{xy}$
• B. $\frac{2x^2-y^2}{xy}$
• C. $\frac{y^2-x^2}{xy}$
• D. $\frac{x^2-2y^2}{xy}$

Answer: Option C

Explanation:

• A. ৬/৫
• B. ৬/৭
• C. ৫/৪
• D. ৭/৩

Answer: Option A

Explanation:

• A. $\frac{7}{3}$
• B. $3$
• C. $\frac{8}{3}$
• D. $2$

Answer: Option D

Explanation:

• A. $\sqrt{2}$
• B. $\frac{1}{2\left(\sqrt{5}-\sqrt{3}\right)}$
• C. $\frac{1}{\sqrt{5}}+\frac{1}{\sqrt{3}}$
• D. $\frac{2}{\sqrt{3}+\sqrt{5}}$

Answer: Option D

Explanation: