• A. 16
• B. 12
• C. 8
• D. 40

Answer: Option C

Explanation:

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

Answer: Option B

Explanation:

• A. $\frac{100-y}{100}$
• B. $\frac{100-x}{100}$
• C. $\frac{110-y}{100y}$
• D. $\frac{100y}{110-y}$

Answer: Option D

Explanation:

• A. ০.৩
• B. ০.২
• C. ০.৪
• D. ০.১

Answer: Option D

Explanation:

• A. $১{০}^{-৮}$
• B. $১{০}^{-৯}$
• C. $১{০}^{-৭}$
• D. $১{০}^{-৬}$

Answer: Option B

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

Answer: Option A

Explanation:

• A. $\frac{100x}{100+P}$
• B. $\frac{100P}{100+Px}$
• C. $\frac{100}{100x+P}$
• D. $\frac{100P}{100+x}$

Answer: Option D

Explanation:

• A. -2
• B. 4
• C. -4
• D. -3

Answer: Option D

Explanation:

• A. $\frac{5}{2}$
• B. $\frac{4}{3}$
• C. $\frac{2}{5}$
• D. $\frac{3}{4}$

Answer: Option A

Explanation:

• A. $\frac{1}{5}$
• B. $\frac{1}{2}$
• C. $\frac{2}{3}$
• D. $\frac{1}{10}$

Answer: Option D

Explanation:

• A. ৪%
• B. ৬%
• C. ৮%
• D. ১০%

Answer: Option A

Explanation:

• A. ১১ টি
• B. ১০ টি
• C. ৮ টি
• D. ৯ টি

Answer: Option D

Explanation:

• A. 500
• B. 550
• C. 600
• D. 650

Answer: Option C

Explanation:

• A. $১÷০.৩$
• B. $০.৩$
• C. $০.৩৩$
• D. ${\left(০.৩\right)}^{২}$

Answer: Option D

Explanation: