• A. $a+b+c$
• B. $\frac{a+b-c}{a-b+c}$
• C. $\frac{a-b+c}{a+b-c}$
• D. $\frac{a+b-c}{a+b+c}$

Answer: Option B

Explanation:

• A. $a-b$
• B. $a+b$
• C. $a^2-b^2$
• D. $a^2+b^2$

Answer: Option A

Explanation:

• A. $x^2$
• B. $x$
• C. $1$
• D. $0$

Answer: Option B

Explanation:

• A. $\frac{x+5}{x+6}$
• B. $\frac{x+5}{x-6}$
• C. $\frac{x-5}{x+6}$
• D. $\frac{x-5}{x-6}$

Answer: Option A

Explanation:

• A. $\sqrt{3}+\sqrt{2}$
• B. $3-\sqrt{2}$
• C. $\sqrt{3}-\sqrt{2}$
• D. $\sqrt{3}+2$

Answer: Option C

Explanation:

• A. $5°$
• B. $5$
• C. $5^1$
• D. $5^{-1}$

Answer: Option D

Explanation:

• A. 12
• B. 10
• C. 6
• D. None of them

Answer: Option A

Explanation:

• A. $১৬$
• B. $৪$
• C. $৮$
• D. $৩২$

Answer: Option B

Explanation:

• A. $\sqrt{২/৩}$
• B. $\sqrt{৩}/২$
• C. $\sqrt{৩}/১২$
• D. কোনটিই নয়

Answer: Option B

Explanation:

• A. $x\le 2$
• B. $x\ge 2$
• C. $x\le -2$
• D. $x\ge -2$

Answer: Option D

Explanation:

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

Answer: Option A

Explanation:

• A. $a^2$
• B. $a^{-1}$
• C. $a^{-2}$
• D. $a$

Answer: Option D

Explanation:

• A. $a^3$
• B. $b^3$
• C. $c^3$
• D. $0$

Answer: Option C

Explanation:

• A. $b$
• B. $a$
• C. $a-b$
• D. $a^2-b^2$

Answer: Option A

Explanation:

• A. $2$
• B. $1$
• C. $3$
• D. $4$

Answer: Option B

Explanation: