• A. $a{x}^2+bx+c=0$
• B. $y^2=ax$
• C. $x^2+y^2=16$
• D. $y^2=2x+7$

Answer: Option C

Explanation:

• A. $A{c}^2=3a^2$
• B. $AC=5a$
• C. $A{C}^2=5a^2$
• D. $A{C}^2=7a^2$

Answer: Option B

Explanation:

• A. $\frac{x+y}{P+Q}$
• B. $\frac{x+y}{pq}$
• C. $\frac{px+Qy}{pq}$
• D. $\frac{px+qy}{p+q}$

Answer: Option D

Explanation:

• A. $\left\{1,2,3,\frac{2}{3}, 5.....\right\}$
• B. $\left\{-\infty ,\infty \right\}$
• C. $\left\{Q U Q\text{'}\right\}$
• D. $\left\{\pm 1,\pm 2,\pm 3..... \right\}$

Answer: Option C

Explanation:

• A. $\frac{3.25}{\sqrt[3]{64}}$
• B. $\frac{7}{\sqrt[3]{9}}$
• C. $\frac{3}{4}$
• D. $\frac{1}{2}$

Answer: Option B

Explanation:

• A. $\sqrt{5}$
• B. $\sqrt{7}$
• C. $\sqrt{10}$
• D. $\sqrt{4}$

Answer: Option D

Explanation:

• A. $p=c{(1+r)}^r$
• B. $c=p{(1+r)}^n$
• C. $c=p{(1+n)}^r$
• D. $c=p(1+r^n)$

Answer: Option B

Explanation:

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

Answer: Option D

Explanation:

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

Answer: Option B

Explanation:

• A. $5 cm and 5 cm$
• B. $5 cm and10 cm$
• C. $10 cm and 5\sqrt{3 }cm$
• D. $5 cm and 5\sqrt{3 }cm$

Answer: Option D

Explanation:

• A. $\frac{\pi }{6}cm$
• B. $6\pi cm$
• C. $10\pi cm$
• D. $20\pi cm$

Answer: Option C

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. $x^2$বর্গমিটার
• B. $2x$বর্গমিটার
• C. ${\left(\frac{x}{2}\right)}^2$বর্গমিটার
• D. ${\left(\frac{\sqrt{x}}{3}\right)}^3$বর্গমিটার

Answer: Option B

Explanation:

• A. ${10}^{-8}m$
• B. ${10}^{-10}m$
• C. ${10}^{-12}m$
• D. ${10}^{-6}m$

Answer: Option B

Explanation:

• A. $x^{-2}$
• B. $e^x$
• C. $x^2$
• D. $e^{-x^2}$

Answer: Option D

Explanation: