• A. 20 °
• B. $22\frac{1}{2}°$
• C. 23 °
• D. $23\frac{1}{2}°$

Answer: Option B

Explanation:

• A. $\sqrt[3]{243}$
• B. $\sqrt[3]{343}$
• C. $\sqrt[3]{392}$
• D. $\sqrt[3]{676}$

Answer: Option B

Explanation:

• A. ${২}^n-১$
• B. ${২}^{n-১}-২$
• C. $১-{২}^n$
• D. $\frac{১}{{২}^n}$

Answer: Option A

Explanation:

• A. $২৫+১০\sqrt{২}$
• B. $২০+৫\sqrt{২}$
• C. $২৭+১০\sqrt{২}$
• D. $২৭$

Answer: Option C

Explanation:

• A. $৪৫\frac{৫}{৬}\%$
• B. $৪০\%$
• C. $৪২\%$
• D. $৪৮\%$

Answer: Option A

Explanation:

• A. $\frac{ ১১}{১৪}$
• B. $\frac{ ৫}{৬}$
• C. $\frac{১২}{১৫}$
• D. $\frac{১৭}{২১}$

Answer: Option A

Explanation:

• A. $\sqrt{২}$
• B. $\sqrt{৩}$
• C. $২$
• D. $৩$

Answer: Option B

Explanation:

• A. ১০৫০
• B. ৯০০
• C. ৯৬০
• D. ১০০০

Answer: Option D

Explanation:

• A. 10
• B. 9
• C. -9
• D. -10

Answer: Option C

Explanation:

• 
• A. ৫
• B. ৬
• C. ৮
• D. ১০

Answer: Option D

Explanation:

• A. $\frac{1}{1000}$
• B. $\frac{1}{10000}$
• C. $\frac{1}{1000000}$
• D. $\frac{1}{100}$

Answer: Option C

Explanation:

• A. $\frac{৯}{২}$
• B. $০.৩$
• C. ক ও খ
• D. কোনটিই নয়

Answer: Option C

Explanation:

• A. 74
• B. 70
• C. 140
• D. 128

Answer: Option A

Explanation:

• A. X+Y+Z
• B. XYZ
• C. 3

Answer: Option C

Explanation:

• A. $৩\frac{১}{২}$ঘন্টা
• B. ৪ ঘন্টা
• C. $৪\frac{১}{২}$ঘন্টা
• D. ৫ ঘন্টা

Answer: Option C

Explanation: