• A. $v = \sqrt{u^2- 2gh}$
• B. $v = -\sqrt{u^2- 2gh}$
• C. $v = \sqrt{u^2+ 2gh}$
• D. $v = -\sqrt{u^2+ 2gh}$

Answer: Option A

Explanation:

• A. $900m/s^2$
• B. $30 m/s^2$
• C. $36 m/s^2$
• D. $45 m/s^2$

Answer: Option C

Explanation:

• A. $x^2+y^2-6x+4y+12=0$
• B. $x^2+y^2-4x+6y+12=0$
• C. $x^2+y^2-6x+4y-12=0$
• D. $x^2+y^2-4x+6y-12=0$

Answer: Option B

Explanation:

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

Answer: Option A

Explanation:

• A. $\frac{8}{15}$
• B. $\frac{12}{13}$
• C. $\frac{5}{8}$
• D. $\frac{15}{8}$

Answer: Option D

Explanation:

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

Answer: Option C

Explanation:

• A. $\frac{1}{2}{a}^2$
• B. $\frac{a}{2}$
• C. $a$
• D. $a^2$

Answer: Option D

Explanation:

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

Answer: Option C

Explanation:

• A. $\frac{u^2{\sin }^2\alpha }{2g}$
• B. $\frac{u^2}{2g}$
• C. $\frac{u \sin \alpha }{2g}$
• D. কোনটিই নয়

Answer: Option A

Explanation:

• A. $\frac{6!}{2!2!}$
• B. $\frac{6!}{2!2!2!}$
• C. $\frac{8!}{2!2!2!}$
• D. $\frac{8!}{2!2!}$

Answer: Option C

Explanation:

• A. $-\frac{2}{5}$
• B. $-\frac{8}{5}$
• C. $\frac{5}{2}$
• D. $\frac{2}{5}$

Answer: Option C

Explanation:

• A. $s=u+\frac{1}{2}f\left(2t-1\right)$
• B. $s=u-\frac{1}{2}f\left(2t-1\right)$
• C. $s=ut-\frac{1}{2}f\left(t-1\right)$
• D. $s=u-\frac{1}{2}f\left(2t+1\right)$

Answer: Option B

Explanation:

• A. $-\frac{3\mathrm{\pi }}{4}$
• B. $-\frac{\mathrm{\pi }}{4}$
• C. $\frac{\mathrm{\pi }}{4}$
• D. $\frac{3\mathrm{\pi }}{4}$

Answer: Option B

Explanation: