• A. $\frac{n\left(n+1\right)}{2}$
• B. $\frac{n^2{\left(n+1\right)}^2}{4}$
• C. $n^2$
• D. $\frac{n\left(n+1\right)\left(n+2\right)}{6}$

Answer: Option A

Explanation:

• A. 5000
• B. 5050
• C. 10000
• D. 2500

Answer: Option B

Explanation:

• A. ০°
• B. ৯০°
• C. ৪৫°
• D. ১৮০°

Answer: Option B

Explanation:

• A. 1
• B. 16
• C. 0.0
• D. অনির্ণেয়

Answer: Option D

Explanation:

• A. 0.64
• B. 0.064
• C. 0.00064
• D. 6.4

Answer: Option C

Explanation:

• A. 6.4
• B. 0.64
• C. 0.064
• D. 0.00064

Answer: Option D

Explanation:

• A. 0.110
• B. 0.010
• C. 0.101
• D. 0.011

Answer: Option D

Explanation:

• A. 4.5
• B. 0.045
• C. 45
• D. 0.45

Answer: Option D

Explanation:

• A. 4
• B. 0.4
• C. 0.04
• D. 0.004

Answer: Option C

Explanation:

• A. 1
• B. 0.01
• C. 0.001
• D. 100

Answer: Option C

Explanation:

• A. 1.01
• B. 1.001
• C. 2.01
• D. 0.001

Answer: Option B

Explanation:

• A. 15
• B. ± 16
• C. 12
• D. প্রশ্ন সঠিক উত্তর দেওয়া নেই

Answer: Option D

Explanation:

• A. 1.01
• B. 1.001
• C. 2.01
• D. .001

Answer: Option B

Explanation:

• A. 0.1
• B. 0.01
• C. 0.2
• D. 1

Answer: Option A

Explanation:

• B. 1
• C. অনির্ণেয়
• D. 0.0

Answer: Option C

Explanation: