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

Answer: Option B

Explanation:

• A. $1$
• B. $0$
• C. $2$
• D. $\frac{1}{2}$

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. $3$
• B. $5$
• C. $\frac{47}{4}$
• D. $\frac{29}{4}$

Answer: Option D

Explanation:

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

Answer: Option C

Explanation:

• A. $0$
• B. $\frac{\mathrm{\pi }}{2}$
• C. $\mathrm{\pi }$
• D. $2\mathrm{\pi }$

Answer: Option C

Explanation:

• A. $x-5y+3=0$
• B. $5x-2y-3=0$
• C. $5x-y-3=0$
• D. $2x-5y+3=0$

Answer: Option C

Explanation:

• A. $2{\sin }^2\theta$
• B. $2{\cos }^2\theta$
• C. $\sin 2\theta$
• D. $\cos 2\theta$

Answer: Option D

Explanation:

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

Answer: Option A

Explanation:

• A. $-\frac{5}{2}$
• B. $-\frac{5}{12}$
• C. $\frac{5}{12}$
• D. $\frac{5}{3}$

Answer: Option D

Explanation:

• A. 30°
• B. 45°
• C. 60°
• D. 120°

Answer: Option B

Explanation:

• A. 1
• B. 2
• C. 3
• D. 4

Answer: Option B

Explanation:

• A. $\sqrt{2\raisebox{1ex}{$7$}\!\left/ \!\raisebox{-1ex}{$7$}\right.}+\frac{5}{8}$
• B. $\frac{F}{2}$
• C. $\frac{F}{4}$
• D. $4F$

Answer: Option C

Explanation:

• A. ০.১৬
• B. ০.০০০০১৬
• C. ০.০০০১৬
• D. ০.০০১৬

Answer: Option B

Explanation:

• A. 135
• B. 151
• C. 162
• D. 182

Answer: Option C

Explanation: