• A. $\frac{1}{\sin A}$
• B. $1$
• C. $\frac{1}{\cos A}$
• D. $\frac{1}{\tan A}$

Answer: Option C

Explanation:

• A. 6 একক
• B. 8 একক
• C. 10 একক
• D. 12 একক

Answer: Option A

Explanation:

• A. $2\sqrt{3}$
• B. $\sqrt{6}$
• C. $4\sqrt{3}$
• D. $2\sqrt{2}$

Answer: Option B

Explanation:

• A. ২৫ দিন
• B. ৩০ দিন
• C. ৩২ দিন
• D. ৩৫ দিন

Answer: Option B

Explanation:

• A. 7
• B. 9
• C. 10
• D. 11

Answer: Option D

Explanation:

• A. X°
• B. 90° +X°
• C. X° -90°
• D. 90° -X°

Answer: Option B

Explanation:

• A. $I^2=\sqrt{h^2+r^2}$
• B. $I=\sqrt{h^2+r^2}$
• C. $I=\pm \sqrt{h^2+r^2}$
• D. $I=\frac{h^2+r^2}{2\mathrm{\pi r}}$

Answer: Option B

Explanation:

• A. 12
• B. 9
• C. 7
• D. 6

Answer: Option A

Explanation:

• A. 12
• B. 14
• C. 2
• D. 4

Answer: Option B

Explanation:

• A. 29
• B. 49
• C. 59
• D. 69

Answer: Option C

Explanation:

• A. 147
• B. 52
• C. 70
• D. 76

Answer: Option D

Explanation:

• A. ৭২ ব.মি.
• B. ৯৬ ব.মি.
• C. ১২৮ ব.মি.
• D. ১৪৪ ব.মি.

Answer: Option B

Explanation:

• A. $\frac{১}{৩}$
• B. $\frac{৮}{২১}$
• C. $\frac{৭}{৮}$
• D. $\frac{৫}{৬০}$

Answer: Option A

Explanation:

• A. $\frac{১}{৮}$
• B. $\frac{১}{৮০}$
• C. $\frac{১}{৮০০}$
• D. $\frac{১}{৮০০০}$

Answer: Option A

Explanation:

• A. 35
• B. 36
• C. 37
• D. 38

Answer: Option B

Explanation: