• A. 6
• B. 7
• C. -6
• D. -7

Answer: Option A

Explanation:

• A. $0$
• B. $1$
• C. $x^2-y^2$
• D. $x+y$

Answer: Option B

Explanation:

• A. $x=a^n$
• B. $x=\ln x$
• C. $a=x^n$
• D. $x={\log }_{a}n$

Answer: Option D

Explanation:

• A. $\left(x+y\right)\left(x+y\right)$
• B. $\left(x+y\right)\left(x-y\right)$
• C. $\left(x-y\right)\left(x-y\right)$
• D. $\left(y+x\right)\left(y-x\right)$

Answer: Option B

Explanation:

• A. $0$
• B. $a$
• C. $1$
• D. অনির্নেয়

Answer: Option C

Explanation:

• A. মূলদ
• B. অমূলদ
• C. স্বাভাবিক সংখ্যা
• D. পূর্ণসংখ্যা

Answer: Option A

Explanation:

• A. $3\sqrt{3}$
• B. $18$
• C. $9$
• D. $0$

Answer: Option D

Explanation:

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

Answer: Option C

Explanation:

• A. $3$
• B. $1$
• C. $-1$
• D. $5$

Answer: Option C

Explanation:

• A. $2$
• B. $4$
• C. $6$
• D. $8$

Answer: Option C

Explanation:

• A. $1$
• B. $2$
• C. $3$
• D. $0$

Answer: Option A

Explanation:

• A. $0$
• B. $1$
• C. $2$
• D. $3$

Answer: Option C

Explanation:

• A. $4$
• B. $6$
• C. $9$
• D. $8$

Answer: Option D

Explanation:

• A. ৩৬
• B. ৪৬
• C. ৬৩
• D. ৮১

Answer: Option D

Explanation:

• A. $12$
• B. $24$
• C. $36$
• D. $40$

Answer: Option B

Explanation: