• A. $\frac{16}{25}$
• B. $\frac{9}{25}$
• C. $\frac{8}{25}$
• D. $\frac{7}{25}$

Answer: Option D

Explanation:

• A. 15
• B. -1
• C. 17
• D. 23

Answer: Option A

Explanation:

• A. 6
• B. 4
• C. 5
• D. 7

Answer: Option C

Explanation:

• A. $i$
• B. $-i$
• C. $-1$
• D. $1$

Answer: Option D

Explanation:

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

Answer: Option A

Explanation:

• A. $x=\tan \theta ,y=b\sec \theta$
• B. $x=b\tan \theta ,y=a\sec \theta$
• C. $x=a\sec \theta ,y=b\tan \theta$
• D. $x=b\sec \theta ,y=a\tan \theta$

Answer: Option C

Explanation:

• A. $\frac{9}{7}$
• B. $\frac{7}{9}$
• C. $\frac{3}{4}$
• D. $\frac{4}{3}$

Answer: Option D

Explanation:

• A. $3$
• B. $8$
• C. $6$
• D. $4$

Answer: Option D

Explanation:

• A. $4\sqrt{7}$
• B. $\frac{\sqrt{7}}{4}$
• C. $\sqrt{7}$
• D. $4$

Answer: Option B

Explanation:

• A. 7
• B. 14
• C. 15
• D. 30

Answer: Option C

Explanation:

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

Answer: Option B

Explanation:

• A. $(\pm 4,0)$
• B. $(0,\pm 3)$
• C. $\left(\pm \sqrt{7}, 0\right)$
• D. $\left(0, \pm \sqrt{7}\right)$

Answer: Option C

Explanation:

• A. $5x=16$
• B. $x=16$
• C. $5x=48$
• D. $5x=\pm 16$

Answer: Option D

Explanation:

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

Answer: Option A

Explanation:

• A. $\left(\pm 2,0\right)$
• B. $\left(0,\pm 2\right)$
• C. $\left(\pm 2\sqrt{7},0\right)$
• D. $\left(0,\pm 2\sqrt{7}\right)$

Answer: Option B

Explanation: