• A. $৯\sqrt{৫}$
• B. $২০\sqrt{৫}$
• C. $৪০\sqrt{৫}$
• D. $৬০\sqrt{৫}$

Answer: Option A

Explanation:

• A. 9
• B. 18
• C. 27
• D. 36

Answer: Option D

Explanation:

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

Answer: Option B

Explanation:

• A. a+b
• B. 1
• C. a-b
• D. $a^2+2ab+b^2$

Answer: Option B

Explanation:

• A. $(x + 2) (3x - 5)$
• B. $(x+2) (3x+5)$
• C. $(x - 2) (3x + 5)$
• D. $(x-2) (3x-5)$

Answer: Option C

Explanation:

• A. $\sqrt{a}$
• B. $\sqrt{ab}$
• C. $\frac{\sqrt{a}}{b}$
• D. $\frac{\sqrt{b}}{a}$

Answer: Option B

Explanation:

• A. 1
• B. 2
• C. 3
• D. 4

Answer: Option C

Explanation:

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

Answer: Option A

Explanation:

• A. 10
• B. 100
• C. 10000
• D. 1000

Answer: Option D

Explanation:

• A. a point
• B. a line
• C. a circle
• D. a sphere

Answer: Option D

Explanation:

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

Answer: Option D

Explanation:

• A. 2.58
• B. 8.59
• C. 8.94
• D. 9.31

Answer: Option B

Explanation:

• A. 0.23
• B. 1.61
• C. 1.84
• D. 7.76

Answer: Option B

Explanation:

• A. 4
• B. 5
• C. 9
• D. 22

Answer: Option D

Explanation:

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

Answer: Option C

Explanation: