• A. ${10}^5$
• B. ${10}^6$
• C. ${10}^7$
• D. ${10}^8$

Answer: Option D

Explanation:

• A. 0 or 10
• B. 0 or 8
• C. 0 or 9
• D. None

Answer: Option A

Explanation:

• A. $\frac{1}{2}$
• B. $\frac{1}{4}$
• C. $\frac{1}{3}$
• D. 1

Answer: Option A

Explanation:

• A. 10
• B. 100
• C. 1000
• D. 10000

Answer: Option B

Explanation:

• A. 2
• B. 1
• C. 3
• D. 1.5

Answer: Option B

Explanation:

• A. 2
• B. 1
• C. 3
• D. 1.5

Answer: Option B

Explanation:

• A. 1
• B. 2
• C. 3
• D. 10

Answer: Option A

Explanation:

• A. .025
• B. 25
• C. .002
• D. 2

Answer: Option D

Explanation:

• A. $640\mathrm{\pi }$ঘন সে.মি
• B. $320\mathrm{\pi }$সে.মি
• C. $160\mathrm{\pi }$ঘন সে.মি
• D. $80\mathrm{\pi }$সে.মি

Answer: Option C

Explanation:

• A. 170
• B. 182
• C. 190
• D. 192

Answer: Option B

Explanation:

• A. 25% লাভ
• B. 25% ক্ষতি
• C. 50% ক্ষতি
• D. 50% লাভ

Answer: Option D

Explanation:

• A. 9%
• B. 9.2%
• C. 8%
• D. 8.2%

Answer: Option B

Explanation:

• A. $a^2+b^2$
• B. $a^2-b^2$
• C. ${\left(a+b\right)}^2+{\left(a-b\right)}^2$
• D. $\frac{{\left(a+b\right)}^2}{2}-\frac{{\left(a-b\right)}^2}{2}$

Answer: Option A

Explanation:

• A. $\frac{\sqrt{30}}{5}$
• B. $\sqrt{6}$
• C. $\frac{30}{\sqrt{5}}$
• D. কোনটিই নয়

Answer: Option D

Explanation:

• A. -2
• B. 4
• C. -4
• D. -3

Answer: Option D

Explanation: