• A. $\frac{1}{6}$
• B. $\frac{1}{3}$
• C. $\frac{1}{2}$
• D. 1

Answer: Option C

Explanation:

• A. 45
• B. 47
• C. 49
• D. 51

Answer: Option B

Explanation:

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

Answer: Option D

Explanation:

• A. ৪০০০
• B. ২০০০
• C. ১৬০০
• D. ৮০০

Answer: Option A

Explanation:

• A. $\left\{x\in \mathrm{ℝ}:x\ge \frac{1}{4}\right\}$
• B. $\left\{x\in \mathrm{ℝ}:x\le \frac{1}{4}\right\}$
• C. $\left\{x\in \mathrm{ℝ}:x<\frac{1}{4}\right\}$
• D. $\left\{x\in \mathrm{ℝ}:x\ge 4\right\}$

Answer: Option A

Explanation:

• A. $2+\sqrt{3}$
• B. $\frac{1}{2+\sqrt{3}}$
• C. $\frac{1}{2-\sqrt{3}}$
• D. $\frac{1}{5}$

Answer: Option C

Explanation:

• A. 5
• B. 6
• C. 3
• D. 4

Answer: Option B

Explanation:

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

Answer: Option D

Explanation:

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

Answer: Option C

Explanation:

• A. ৪টি
• B. ৫টি
• C. ২টি
• D. ৩ টি

Answer: Option A

Explanation:

• A. ১২৫
• B. ৬২৫
• C. ৫
• D. ২৫

Answer: Option B

Explanation:

• A. ৪৪ফুট
• B. ৪৩ফুট
• C. ৪৯ফুট
• D. ৪১ ফুট

Answer: Option D

Explanation:

• A. ৩ঃ২
• B. ৪ঃ৩
• C. ৩ঃ১
• D. ২ঃ১

Answer: Option D

Explanation:

• A. ২৬
• B. ২৫
• C. ৩০
• D. ২৮

Answer: Option C

Explanation:

• A. 2
• B. -2
• C. ০
• D. 1

Answer: Option A

Explanation: