• 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. $0$
• B. $1$
• C. $2003$ ft
• D. $3$

Answer: Option D

Explanation:

• A. $x^2+8$
• B. $x^3+8$
• C. $x^4-4$
• D. $x^6-8$

Answer: Option A

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. $১০$
• B. $২২৫$
• C. $\frac{১}{২২৫}$
• D. $২৫$

Answer: Option B

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. $\frac{\sqrt{৩}}{৪}{ক}^{২}$
• B. $\frac{\sqrt{৩}}{২}{ক}^{৩}$
• C. $\frac{\sqrt{৩}}{৫}{ক}^{৩}$
• D. $\frac{\sqrt{৩}}{২}{ক}^{৫}$

Answer: Option A

Explanation:

• A. ৮০০
• B. ১০০০
• C. ১৫০০
• D. ১৬০০

Answer: Option D

Explanation:

• A. ৯০°
• B. ১০০°
• C. ১০২°
• D. ১০৫°

Answer: Option D

Explanation:

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

Answer: Option A

Explanation:

• A. $3$
• B. $2$
• C. $1$
• D. $0$

Answer: Option D

Explanation:

• A. $-2\sqrt{3}$
• B. $0$
• C. $2\sqrt{3}$
• D. $3\sqrt{3}$

Answer: Option B

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:

• A. Tk. 2000
• B. Tk. 2500
• C. Tk. 8000
• D. Tk. 1000

Answer: Option A

Explanation: