• A. $2\sqrt{5}$
• B. $10$
• C. $5\left(1+\sqrt{2}\right)$
• D. $5+2\sqrt{5}$

Answer: Option C

Explanation:

• A. $3$
• B. $3\sqrt{2}$
• C. $6\sqrt{2}$
• D. $8\sqrt{2}$

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. $২৫$
• B. $৫০$
• C. $৩৩\frac{১}{৩}$
• D. $৬৬\frac{২}{৩}$

Answer: Option C

Explanation:

• A. $\frac{x+y}{mn}$
• B. $\frac{x+y}{m+n}$
• C. $\frac{mx+ny}{m+n}$
• D. $\frac{mx+ny}{mn}$

Answer: Option C

Explanation:

• A. $\frac{5}{6}$
• B. $\frac{12}{15}$
• C. $\frac{11}{14}$
• D. $\frac{17}{21}$

Answer: Option C

Explanation:

• A. $\frac{47}{90}$
• B. $\frac{43}{90}$
• C. $\frac{43}{99}$
• D. $\frac{47}{99}$

Answer: Option B

Explanation:

• A. $\frac{2}{11}$
• B. $\frac{3}{11}$
• C. $\frac{2}{13}$
• D. $\frac{4}{15}$

Answer: Option C

Explanation:

• A. $\frac{1}{8}$
• B. $\frac{1}{6}$
• C. $\frac{3}{4}$
• D. $\frac{5}{24}$

Answer: Option D

Explanation:

• A. $1\frac{1}{6}$
• B. $1\frac{8}{45}$
• C. $1\frac{16}{99}$
• D. $1\frac{4}{25}$

Answer: Option D

Explanation:

• A. $\frac{১}{৪}$
• B. $\frac{১}{২}$
• C. $\frac{১}{৮}$
• D. $\frac{১}{১৬}$

Answer: Option B

Explanation:

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

Answer: Option C

Explanation:

• A. $০.৩$
• B. $\sqrt{০.৩}$
• C. $\frac{১}{৩}$
• D. $\frac{২}{৫}$

Answer: Option A

Explanation:

• 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. ${\int }_a^{b}ydx$
• B. ${\int }_a^{b}dx$
• C. ${\int }_0^{a}f\left(x\right)dx$
• D. ${\int }_a^{b}f\left(x\right)dx$

Answer: Option D

Explanation: