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

Answer: Option D

Explanation:

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

Answer: Option C

Explanation:

• A. $\frac{৪৭}{৯০}$
• B. $\frac{৪৩}{৯০}$
• C. $\frac{৪৩}{৯৯}$
• D. $\frac{৪৭}{৯৯}$

Answer: Option B

Explanation:

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

Answer: Option C

Explanation:

• A. ০.২৬ কি.মি.
• B. ২ কি.মি.
• C. ৩.৭৫ কি.মি.
• D. ৪ কি.মি.

Answer: Option C

Explanation:

• A. $১৬\frac{২}{৩}\%$
• B. $৬\frac{২}{৩}\%$
• C. $১৬\frac{১}{৩}\%$
• D. $৬\frac{১}{৩}\%$

Answer: Option A

Explanation:

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

Answer: Option C

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

Answer: Option B

Explanation:

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

Answer: Option A

Explanation:

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

Answer: Option A

Explanation:

• A. $\frac{২}{৫}$
• B. $\frac{৩}{৭}$
• C. $\frac{৪}{৯}$
• D. $\frac{৫}{১১}$

Answer: Option D

Explanation:

• A. $\frac{x+a}{2}$
• B. $\frac{y+b}{2}$
• C. $\frac{xy+ab}{y+b}$
• D. $\frac{xy+ab}{x+a}$

Answer: Option D

Explanation:

• A. $2\sqrt{5}$
• B. $\sqrt{10}$
• C. $5\sqrt{2}$
• D. $3\sqrt{5}$

Answer: Option C

Explanation:

• A. $\mathrm{\pi }-4$
• B. $4-{\mathrm{\pi }}^2$
• C. $4-\mathrm{\pi }$
• D. $2-\mathrm{\pi }$

Answer: Option C

Explanation: