• A. $\frac{১}{২২}$
• B. $\frac{১}{৬৪}$
• C. $\frac{১}{৬০}$
• D. $\frac{২}{৬৫}$

Answer: Option A

Explanation:

• A. $২১\sqrt{৩}$
• B. $২৩\sqrt{৩}$
• C. $২৫\sqrt{৩}$
• D. $২৭\sqrt{৩}$

Answer: Option D

Explanation:

• A. 2
• B. 3
• C. 5
• D. 7

Answer: Option C

Explanation:

• A. 2
• B. 4
• C. 8
• D. 16

Answer: Option A

Explanation:

• A. 12
• B. 14
• C. 18
• D. 20

Answer: Option A

Explanation:

• A. 8
• B. 3
• C. 4
• D. 5

Answer: Option B

Explanation:

• A. 9
• B. 11
• C. 12
• D. 16

Answer: Option D

Explanation:

• A. $\left(\sqrt{2x}+5\right)\left(2x^2-5\sqrt{2x}-25\right)$
• B. $\left(\sqrt{2x}+5\right)\left(2x-5\sqrt{2x}+25\right)$
• C. $\left(\sqrt{2x}+5\right)\left(2x^2+5\sqrt{2x}+25\right)$
• D. $\left(\sqrt{2x}-5\right)\left(2x^2-5\sqrt{2x}-25\right)$

Answer: Option B

Explanation:

• A. ২৮৭০
• B. ১৫৪০
• C. ৪৪১০০
• D. কোনোটিই নয়

Answer: Option A

Explanation:

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

Answer: Option A

Explanation:

• A. 25
• B. 70
• C. 45
• D. 55

Answer: Option B

Explanation:

• A. $b^2-4ac=0$
• B. $b^2-4ac>0$
• C. $b^2-4ac<0$
• D. $b^2-4ac\#0$

Answer: Option A

Explanation:

• A. $x^2-x+1$
• B. $x^2+x-1$
• C. $x^3-1$
• D. $x^2-x-1$

Answer: Option B

Explanation:

• A. 2
• B. 3
• C. 4
• D. 5

Answer: Option C

Explanation:

• A. ∞
• B. 1nx
• C. 𝑥°
• D. 1n|x|

Answer: Option B

Explanation: