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

Answer: Option D

Explanation:

• A. $\sqrt{3}$
• B. $4\sqrt{3}$
• C. $8\sqrt{3}$
• D. $16\sqrt{3}$

Answer: Option C

Explanation:

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

Answer: Option D

Explanation:

• A. $C=p{\left(1+n\right)}^r$
• B. $C=P\left(1+r^n\right)$
• C. $P=C{\left(1+r\right)}^n$
• D. $C=p{\left(1+r\right)}^n$

Answer: Option D

Explanation:

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

Answer: Option D

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. $\frac{1}{2}\left(a+b\right)h$
• B. $\frac{\sqrt{3}}{4}{a}^2$
• C. $6a^2$
• D. ${\mathrm{\pi r}}^2\mathrm{h}$

Answer: Option A

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. $\frac{1}{2}ah$ ব.মি
• B. $ah$ ব.মি
• C. $a^{2}h$ ব.মি
• D. $a^2{h}^2$ ব.মি

Answer: Option B

Explanation:

• A. $a{x}^2+bx+c=0$
• B. $y^2=ax$
• C. $3x^2+3y^2=15$
• D. $y^2=4x+4$

Answer: Option C

Explanation:

• A. ${\mathrm{\pi r}}^2$
• B. ${\mathrm{\pi r}}^2/2$
• C. $4{\mathrm{\pi r}}^2$
• D. কোনটিই নয়

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

Answer: Option D

Explanation:

• A. $\frac{১০০\times সুদ}{হার \times আসল}$
• B. $\frac{১০০\times সুদ}{সময়\times আসল}$
• C. $\frac{সময়\times আসল}{হার \times আসল}$
• D. $\frac{১০০\times আসল}{সুদ\times সময়}$

Answer: Option B

Explanation:

• A. $x\sqrt{2}$
• B. $x\sqrt{3}$
• C. $2\sqrt{2x}$
• D. $\sqrt{x}$

Answer: Option A

Explanation: