• A. (a+b+c)(a-b+c)
• B. (a-b-c)(a-b+c)
• C. (a-b-c)(a+b-c)
• D. (a+b+c)(a-b-c)

Answer: Option B

Explanation:

• A. 16
• B. 8
• C. 34
• D. 12

Answer: Option B

Explanation:

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

Answer: Option C

Explanation:

• A. 0.1
• B. 0.01
• C. 0.001
• D. 0.0001

Answer: Option D

Explanation:

• A. $a>0$
• B. $a \mathrm{Not}=1$
• C. $a>0,a \mathrm{Not}=1$
• D. $a \mathrm{Not}=1,a>2$

Answer: Option C

Explanation:

• A. 25
• B. 29
• C. 28
• D. 27

Answer: Option B

Explanation:

• A. 2
• B. 1
• C. -2
• D. -1

Answer: Option B

Explanation:

• A. $\frac{49}{9}$
• B. $\frac{14}{9}$
• C. $\frac{7}{3}$
• D. $7$

Answer: Option A

Explanation:

• A. $\frac{4}{5}$
• B. $\frac{3}{5}$
• C. $\frac{3}{4}$
• D. $\frac{4}{5}$

Answer: Option B

Explanation:

• A. $\frac{x}{y}$ ঘণ্টা
• B. $\frac{y}{x}$
• C. $xy$
• D. কোনটিই নয়

Answer: Option A

Explanation:

• A. $\frac{১৫}{১৬}$ ঘণ্টা
• B. $১৫$ ঘণ্টা
• C. $৭\frac{৩}{৫}$ ঘণ্টা
• D. $৯\frac{৩}{৫}$ ঘণ্টা

Answer: Option D

Explanation:

• A. $p^2-1$
• B. $p^2$
• C. $p^2+1$
• D. কোনটি নয়

Answer: Option B

Explanation:

• A. 4
• B. 5
• C. 6
• D. 7

Answer: Option A

Explanation:

• A. 4
• B. 3
• C. 2
• D. 1

Answer: Option D

Explanation:

• A. (6 - a)(4a - 1)
• B. (a - 6)(4a + 1)
• C. (a - b)(4a - 1)
• D. (6 - a)(4a + 1)

Answer: Option D

Explanation: