• A. 4
• B. 8
• C. 16
• D. Data inadequate

Answer: Option B

Explanation:

• A. ${\left(x+2\right)}^2\left(x^3-8\right)$
• B. ${\left(x-2\right)}^2\left(x^3-8\right)$
• C. ${\left(x^2-2\right)}^2\left(x^3-8\right)$
• D. ${\left(x^2+2\right)}^2\left(x^3-8\right)$

Answer: Option A

Explanation:

• A. a(a-3)
• B. a-3
• C. a
• D. a(a+3)

Answer: Option A

Explanation:

• A. x-4
• B. x+3
• C. x-3
• D. x-1

Answer: Option C

Explanation:

• A. 1+a
• B. 1-a
• C. a-1
• D. ${\left(1-a\right)}^2$

Answer: Option D

Explanation:

• A. $\left(x-1\right)$
• B. $\left(x-2\right)$
• C. $\left(x-3\right)$
• D. $\left(x-4\right)$

Answer: Option C

Explanation:

• A. $x-1$
• B. $x\left(x-1\right)$
• C. $x+1$
• D. $\left(x+1\right)\left(x-1\right)\left(x^2-x+1\right)$

Answer: Option C

Explanation:

• A. $\left(x-2\right)$
• B. $x+4$
• C. ${\left(x+2\right)}^2$
• D. $2{\left(x+2\right)}^{}$

Answer: Option D

Explanation:

• A. 1
• B. $x^2+2$
• C. $x^2-2$
• D. $a\left(x^2+2\right)$

Answer: Option B

Explanation:

• A. $80°$
• B. $40°$
• C. $130°$
• D. $50°$

Answer: Option C

Explanation:

• A. সূক্ষ্মকোণ
• B. সমকোণ
• C. স্থুলকোণ
• D. প্রবৃদ্ধকোণ

Answer: Option D

Explanation:

• A. $90°$
• B. $180°$
• C. $120°$
• D. $60°$

Answer: Option B

Explanation:

• A. $65°$
• B. $75°$
• C. $85°$
• D. $90°$

Answer: Option A

Explanation:

• A. ১২৫%
• B. ১২০%
• C. ১৫০%
• D. ১৪০%

Answer: Option C

Explanation:

• A. ৮ জন
• B. ১০ জন
• C. ১১ জন
• D. ১২ জন

Answer: Option B

Explanation: