• A. -৩৫
• B. ৩৫
• C. ৫
• D. -৫

Answer: Option C

Explanation:

• B. 6
• C. 7
• D. 14

Answer: Option D

Explanation:

• A. {1,2,3}
• B. {2,3,4}
• C. {3,4,5}
• D. {2,3,4,5}

Answer: Option D

Explanation:

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

Answer: Option C

Explanation:

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

Answer: Option C

Explanation:

• A. -2, 9
• B. 2, 9
• C. -2, -9
• D. 2, -9

Answer: Option B

Explanation:

• A. 10
• B. -10
• C. 45
• D. -45

Answer: Option A

Explanation:

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

Answer: Option C

Explanation:

• A. $-81$
• B. $81$
• C. $\pm 81$
• D. $\pm 27$

Answer: Option B

Explanation:

• A. -৬
• B. -৪
• C. -২
• D. ৪

Answer: Option B

Explanation:

• B. 1
• C. 2
• D. 4

Answer: Option A

Explanation:

• A. $\frac{১}{১০}$
• B. $\frac{১}{১০০}$
• C. $\frac{১}{১০০০}$
• D. $\frac{১}{১০০০০}$

Answer: Option D

Explanation:

• A. কোনোটিই নয়
• B. x > 2
• C. 2 < x < 3
• D. x < 3

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. a2-b2
• B. a(a-b)
• C. (a-b)
• D. a(a2-b2)

Answer: Option D

Explanation: