• A. $\frac{১}{\sqrt{৫}-\sqrt{৩ }}$
• B. $\sqrt{২}$
• C. $\frac{১}{\sqrt{৫}}+\frac{১}{\sqrt{৩}}$
• D. $\frac{১}{\sqrt{৫+\sqrt{৩}}}$

Answer: Option D

Explanation:

• A. 60
• B. 64
• C. 63
• D. 69

Answer: Option C

Explanation:

• A. 180°
• B. 135°
• C. 90°
• D. 45°

Answer: Option B

Explanation:

• A. 18
• B. 16
• C. 14
• D. 15

Answer: Option D

Explanation:

• A. ২৬৬
• B. ১০২৪
• C. ৩১৬
• D. ১০২৮

Answer: Option B

Explanation:

• A. সোহেল আব্বাস
• B. হাসান সর্দার
• C. পল লিটজেনস
• D. টেরি ওয়ালশ

Answer: Option A

Explanation:

• A. ১৫
• B. ২৫
• C. ৫
• D. ৩৫

Answer: Option C

Explanation:

• A. 12
• B. 48
• C. 36
• D. 144

Answer: Option D

Explanation:

• A. ০.৩
• B. ০.২
• C. ০.৪
• D. ০.১

Answer: Option D

Explanation:

• A. ০.০০০০০০১
• B. ০.০০০০০১
• C. ০
• D. কোনটিই নয়

Answer: Option C

Explanation:

• A. 10 straight lines and 34 triangles
• B. 9 straight lines and 34 triangles
• C. 9 straight lines and 36 triangles
• D. 10 straight lines and 36 triangles

Answer: Option C

Explanation:

• A. ${৬}^{৭}$
• B. ${৬}^{৯}$
• C. ${৭}^{৭}$
• D. ${৭}^{৬}$
• E. ${৭}^{৯}$

Answer: Option C

Explanation:

• B. 1
• C. 2
• D. 3
• E. 9

Answer: Option B

Explanation:

• A. $\sqrt[5]{5^2}$
• B. $\sqrt[6]{5^6}$
• C. $\sqrt[5]{5^6}$
• D. $5^6$

Answer: Option C

Explanation:

• A. 25%
• B. 36%
• C. 42%
• D. 40%

Answer: Option D

Explanation: