• A. 3
• B. 7
• C. 15
• D. 21

Answer: Option C

Explanation:

• A. 6
• B. 5
• C. 4
• D. 3

Answer: Option C

Explanation:

• A. -3/2
• B. -2/3
• C. 3/2
• D. 24

Answer: Option C

Explanation:

• A. 3
• B. 6
• C. -4
• D. - 2

Answer: Option C

Explanation:

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

Answer: Option C

Explanation:

• A. একটিও না
• B. মাত্র একটি
• C. দুইটি
• D. অসীম সংখ্যাক

Answer: Option D

Explanation:

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

Answer: Option C

Explanation:

• A. $4^x$
• B. $4^{x+1}$
• C. $4^{x+4}$
• D. $4^{x+6}$

Answer: Option B

Explanation:

• A. $x-y$
• B. $x+y$
• C. $12\left(x^2-y^2\right)$
• D. $2$

Answer: Option D

Explanation:

• A. (x + 2) (4x + 3)
• B. (x + 2) (4x - 3)
• C. (x - 2) (4x + 3)
• D. (x - 2) (4x - 3)

Answer: Option B

Explanation:

• A. 12
• B. 16
• C. 25
• D. 9

Answer: Option D

Explanation:

• A. 4
• B. 9
• C. 16
• D. 25

Answer: Option D

Explanation:

• A. 24xyz
• B. 24x2yz
• C. 12x2y2z
• D. 12xy2z

Answer: Option C

Explanation:

• A. $2$
• B. $\frac{1}{2}$
• C. $\frac{1}{8}$
• D. $\frac{1}{16}$

Answer: Option B

Explanation:

• A. (2x² + 2x + 1)(2x² - 2x - 1)
• B. (2x² + 2x - 1)(2x² - 2x - 1)
• C. (2x² + 2x + 1)(2x² - 2x + 1)
• D. (2x² + 2x - 1)(2x² - 2x + 1)

Answer: Option C

Explanation: