• A. $\sqrt{y}$একক
• B. $\sqrt{\left(y+২\right)}$একক
• C. $২\sqrt{y}$একক
• D. $\sqrt{২y}$একক

Answer: Option D

Explanation:

• A. $\frac{1}{52}$
• B. $\frac{1}{26}$
• C. $\frac{3}{52}$
• D. $\frac{1}{13}$

Answer: Option D

Explanation:

• A. $5$ গুন
• B. $\frac{1}{5}$ গুন
• C. $\frac{5}{2}$ গুন
• D. $\frac{2}{5}$ গুন

Answer: Option B

Explanation:

• A. $\sin 120°=\sin 60°+\sin 60°$
• B. $\sin 120°=2 \sin 60° \cos 60°$
• C. $\sin 120°=2 \sin 60° 60°$
• D. $\sin 120°=-\frac{1}{2}$

Answer: Option B

Explanation:

• A. $৩\frac{১}{৪}$
• B. $২\frac{১}{২}$
• C. $২\frac{১}{৪}$
• D. $১\frac{১}{৫}$

Answer: Option B

Explanation:

• A. $36m^2$
• B. $42m^2$
• C. $48m^2$
• D. $50m^2$

Answer: Option C

Explanation:

• A. $r=x\left(1\pm \sqrt{2}\right)$

Answer: Option A

Explanation:

• A. $\frac{\sqrt{3}}{2}a$
• B. $\frac{\sqrt{3}}{2}{a}^2$
• C. $\frac{\sqrt{3}}{4}a$
• D. $\frac{\sqrt{3}}{1}{a}^2$

Answer: Option C

Explanation:

• A. $\frac{5}{6}$
• B. $\frac{12}{10}$
• C. $\frac{4}{3}$
• D. $\frac{25}{17}$

Answer: Option A

Explanation:

• A. $\frac{a+b}{2}$
• B. $\frac{ap+bq}{2}$
• C. $\frac{ap+bq}{p+q}$
• D. $\frac{ap+bq}{a+b}$

Answer: Option C

Explanation:

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

Answer: Option B

Explanation:

• A. $\frac{3}{4}$

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. $\frac{x^2}{3^2}+\frac{y^2}{4^2}=1$
• B. $\frac{x^2}{3^2}+\frac{y^2}{3^2}=1$
• C. $y^2=4ax$
• D. $\frac{x^2}{a^2}+\frac{y^2}{b^2}=1$

Answer: Option A

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: