• A. $4/3$
• B. $1/2$
• C. $2/3$
• D. $3/2$

Answer: Option B

Explanation:

• A. A = \{1, 2, 3, 5, 7\}
• B. A = \{1, 2, 3, 6, 7\}
• C. A = \{2, 3, 5, 7\}
• D. A = \{4, 6, 8, 9\}

Answer: Option C

Explanation:

• A. ৩৪
• B. ৫৫
• C. ২১
• D. ১৩

Answer: Option B

Explanation:

• A. ১৩৬ বর্গমিটার
• B. ১০৬ বর্গমিটার
• C. ১৩০ বর্গমিটার
• D. ১০৭ বর্গমিটার

Answer: Option A

Explanation:

• A. ২
• B. ৪
• C. ৬
• D. ৮

Answer: Option B

Explanation:

• A. ${\sin }^2\theta +{\cos }^2\theta =1$
• B. $\sin \theta +\cos \theta <1$
• C. ${\tan }^2-{\sec }^2\theta =1$
• D. ${\sin }^2+{\cos }^2>1$

Answer: Option A

Explanation:

• A. $12/5$
• B. $13/12$
• C. $25/144$
• D. $-\frac{13}{12}$

Answer: Option B

Explanation:

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

Answer: Option B

Explanation:

• A. $\frac{\theta }{360}{\mathrm{\pi r}}^2$
• B. $\frac{\theta }{90}{\mathrm{\pi r}}^2$
• C. $\frac{\theta }{210}{\mathrm{\pi r}}^2$
• D. $\frac{\theta }{180}{\mathrm{\pi r}}^2$

Answer: Option A

Explanation:

• A. ${\sin }^{2}A+{\cos }^{2}B=1$
• B. $\sin \theta +\cos \theta >1$
• C. $\sin \theta +\cos \theta <1$
• D. ${\tan }^2-{\sec }^2\theta =1$

Answer: Option B

Explanation:

• A. $25$
• B. $115$
• C. $18$
• D. কোনোটিই নয়

Answer: Option D

Explanation:

• A. $5/13$
• B. $13/5$
• C. $12/13$
• D. $13/12$

Answer: Option D

Explanation:

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

Answer: Option B

Explanation:

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

Answer: Option C

Explanation:

• A. $1400x$ টি
• B. $\frac{1400}{100+x}$ টি
• C. $\frac{100+x}{1400}$ টি
• D. $\frac{1400+x}{100}$ টি

Answer: Option B

Explanation: