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

Answer: Option B

Explanation:

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

Answer: Option D

Explanation:

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

Answer: Option D

Explanation:

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

Answer: Option C

Explanation:

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

Answer: Option D

Explanation:

• A. $\frac{5}{7}$
• B. $\frac{5}{6}$
• C. $\frac{3}{5}$
• D. $\frac{7}{9}$

Answer: Option C

Explanation:

• A. ${\left(x+y\right)}^2$
• B. ${\left(x-y\right)}^2$
• C. $x^2-y^2$
• D. $y^2-x^2$

Answer: Option D

Explanation:

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

Answer: Option A

Explanation:

• A. ${\left(a+b\right)}^2-{\left(a-b\right)}^2$
• B. ${\left(a+b\right)}^2+{\left(a-b\right)}^2$
• C. ${\left(a-b\right)}^2+{\left(a-b\right)}^2$
• D. ${\left(a+b\right)}^2+{\left(a-b\right)}^2$

Answer: Option A

Explanation:

• A. π
• B. 2π
• C. $\frac{\mathrm{\pi }}{2}$
• D. $\frac{\mathrm{\pi }}{4}$

Answer: Option C

Explanation:

• A. $৩০\frac{১}{৩}\%$
• B. $৩১\frac{১}{৩}\%$
• C. $৩২\frac{১}{৩}\%$
• D. $৩৩\frac{১}{৩}\%$

Answer: Option D

Explanation:

• A. $\frac{৭}{২২}$
• B. $\frac{৪}{৫}$
• C. $\frac{৫}{৪}$
• D. $\frac{২২}{৭}$

Answer: Option C

Explanation: