• A. $-7$
• B. $7$
• C. $0$
• D. $11$

Answer: Option C

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. $\left\{7,9\right\}$
• B. $\left\{9\right\}$
• C. $\left\{7\right\}$
• D. $\theta$

Answer: Option C

Explanation:

• A. $\tan \frac{p}{2}$
• B. $\cot \frac{p}{2}$
• C. $\cos \frac{p}{2}$
• D. $\sin \frac{p}{2}$

Answer: Option B

Explanation:

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

Answer: Option B

Explanation:

• A. ৩৫০০ টাকা
• B. ৩২০০ টাকা
• C. ২৫০০ টাকা
• D. ৩০০০ টাকা

Answer: Option D

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. $\left\{1,2,4\right\}$
• B. $\left\{4,8,12\right\}$
• C. $\left\{0,4,8,12,16\right\}$
• D. $\left\{4,8,12,16\right\}$

Answer: Option D

Explanation:

• A. $0$
• B. $1$
• C. $a+b+c$
• D. $-1$

Answer: Option A

Explanation:

• A. $128$
• B. $7$
• C. $9$
• D. $2$

Answer: Option C

Explanation:

• A. $40$
• B. $36$
• C. $32$
• D. $30$

Answer: Option B

Explanation:

• A. $\frac{1}{3}$
• B. $\frac{1}{5}$
• C. $\frac{3}{5}$
• D. $\frac{5}{3}$

Answer: Option A

Explanation:

• A. $0$
• B. $1$
• C. $2$
• D. $3$

Answer: Option A

Explanation:

• A. $16$
• B. $9$
• C. $8$
• D. $0$

Answer: Option B

Explanation:

• A. $2:3$
• B. $3:2$
• C. $2:1$
• D. $1:2$

Answer: Option C

Explanation: