• A. ∞
• B. 1nx
• C. 𝑥°
• D. 1n|x|

Answer: Option B

Explanation:

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

Answer: Option C

Explanation:

• A. 1
• B. $\frac{1}{2}$
• D. 2

Answer: Option C

Explanation:

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

Answer: Option B

Explanation:

• A. -3
• B. 3
• C. 6
• D. 9

Answer: Option B

Explanation:

• A. 4
• B. 5
• C. 20
• D. 25

Answer: Option A

Explanation:

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

Answer: Option B

Explanation:

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

Answer: Option B

Explanation:

• A. ৪১
• B. ৫০
• C. ১৬
• D. ২১

Answer: Option D

Explanation:

• A. $\frac{\overline{)7}}{\overline{)2}}$
• B. $\frac{\overline{)7}}{\overline{)5}}$
• C. $\frac{\overline{)5}}{\overline{)2}}$
• D. $\frac{\overline{)7}}{\left|2\right|5}$

Answer: Option A

Explanation:

• A. 7
• B. 3
• C. 17
• D. 31

Answer: Option C

Explanation:

• A. 35
• B. 20
• C. 25
• D. 15

Answer: Option D

Explanation:

• A. $\frac{৫}{৪}$
• B. $\frac{২}{৩}$
• C. $\frac{১}{২}$
• D. $\frac{৩}{৪}$

Answer: Option C

Explanation:

• A. ১ মি. ২০ সে.
• B. ১ মি. ৩০ সে.
• C. ৩ মিনিট
• D. ৫ মিনিট

Answer: Option D

Explanation:

• A. 6
• B. 5
• C. 4
• D. 7

Answer: Option C

Explanation: