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

Answer: Option B

Explanation:

• A. $১{২}^{২}$
• B. $২{২}^{২}$
• C. $২{৪}^{২}$
• D. $২{৩}^{২}$

Answer: Option A

Explanation:

• A. $n^2-1$
• B. $n^2$
• C. $n^2+1$
• D. $n^2+2$

Answer: Option B

Explanation:

• A. $\frac{3\sqrt{3}}{4}{x}^2$
• B. $\frac{\sqrt{3}}{4}{x}^2$
• C. $\frac{4}{\sqrt{3}}{r}^2$
• D. $\frac{\sqrt{3}}{4}{a}^2$

Answer: Option B

Explanation:

• A. $a^2=b^2+c^2$
• B. $b^2=c^2+a^2$
• C. $c^2=a^2+b^2$
• D. কোনটিই নয়

Answer: Option C

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. $3x^2+4y^2=2$
• B. $xy=1$
• C. $x+y=4$
• D. $x^2+y^2=5$

Answer: Option D

Explanation:

• A. $৩\sqrt{৩}$
• B. $৬৪\sqrt{৩}$
• C. $৬৪$
• D. $৩২$

Answer: Option B

Explanation:

• A. $\frac{x^2}{3^2}+\frac{y^2}{4^2}=1$
• B. $\frac{x^2}{3^2}+\frac{y^2}{3^2}=1$
• C. $y^2=4ax$
• D. $\frac{x^2}{a^2}+\frac{y^2}{b^2}=1$

Answer: Option A

Explanation:

• A. $\left(1,0\right)$
• B. $\left(\frac{2}{3},\frac{2}{3}\right)$
• C. $\left(\frac{1}{2},\frac{1}{2}\right)$
• D. $\left(\frac{1}{4},\frac{1}{4}\right)$

Answer: Option C

Explanation:

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

Answer: Option D

Explanation:

• A. $r=x\left(1\pm \sqrt{2}\right)$

Answer: Option A

Explanation:

• A. $36m^2$
• B. $42m^2$
• C. $48m^2$
• D. $50m^2$

Answer: Option C

Explanation: