• A. $\frac{1}{80}$
• B. $\frac{1}{800}$
• C. $\frac{1}{8000}$
• D. $\frac{1}{8}$

Answer: Option D

Explanation:

• A. $4$
• B. $4i$
• C. $-4$
• D. $-4i$

Answer: Option C

Explanation:

• A. $-1$
• B. $-2$
• C. $-3$
• D. $-4$

Answer: Option C

Explanation:

• A. $x^2+8x+15$
• B. $x^2-15$
• C. $x^2+2x-15$
• D. $x^2+2x+15$

Answer: Option C

Explanation:

• A. 3x -5y = -7; 5x + 4y = 10
• B. 3x + 5y = -7; 5x - 4y = 10
• C. 3x + 5y = -7; 5x + 4y = 10
• D. 3x -5y = 7; 5x + 4y = 10

Answer: Option C

Explanation:

• A. 1
• B. 2
• C. 3
• D. -1

Answer: Option A

Explanation:

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

Answer: Option A

Explanation:

• A. √১৭ একক
• B. ৫ একক
• C. ৭ একক
• D. ২৫ একক

Answer: Option B

Explanation:

• B. 2(x + y + z)
• C. x - y - z
• D. x + y + z

Answer: Option A

Explanation:

• A. x4 - 1
• B. x6 + 1
• C. x3 - 1
• D. x6 - 1

Answer: Option D

Explanation:

• A. -√3
• C. 3√3
• D. √3

Answer: Option B

Explanation:

• A. 1
• B. 2
• C. 3
• D. 4

Answer: Option B

Explanation:

• A. x>-8
• B. x>-9
• C. x<-9
• D. x>-5

Answer: Option B

Explanation:

• A. 9
• B. 10
• C. -7
• D. -9

Answer: Option A

Explanation:

• A. কোনোটিই নয়
• B. -5, a
• C. -a, 5
• D. a, 5

Answer: Option C

Explanation: