• A. $a^2: b^2$
• B. $a:b$
• C. $b^2 : a^2$
• D. $\frac{a}{2}:\frac{b}{2}$

Answer: Option A

Explanation:

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

Answer: Option B

Explanation:

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

Answer: Option C

Explanation:

• A. $\frac{৩}{৫}$
• B. $\frac{৭}{১০}$
• C. $\frac{৭}{১২}$
• D. $\frac{৮}{১৫}$

Answer: Option B

Explanation:

• A. $6$
• B. $\frac{1}{6}$
• C. $\sqrt{6}$
• D. $\frac{1}{\sqrt{6}}$

Answer: Option B

Explanation:

• A. $x+3$
• B. $x+4$
• C. $x-3$
• D. $x+6$

Answer: Option A

Explanation:

• A. .025
• B. 25
• C. .002
• D. 2

Answer: Option D

Explanation:

• A. $n^2+1$
• B. $n^2-1$
• C. $n^2$
• D. $n$

Answer: Option C

Explanation:

• A. ± 12
• B. 8
• C. ± 6
• D. ± 7

Answer: Option A

Explanation:

• A. -1
• C. 1
• D. 3

Answer: Option C

Explanation:

• A. ০.০১
• B. ০.০০১
• C. ১.১
• D. ০.১

Answer: Option D

Explanation:

• A. ০.০০৫
• B. .০০৪
• C. .০০৬
• D. কোনটিই নয়

Answer: Option B

Explanation:

• A. 5
• B. 50
• C. 25
• D. 0.5

Answer: Option C

Explanation:

• A. √২
• B. ৪
• C. √৩
• D. ২

Answer: Option B

Explanation:

• A. 1
• B. -1
• C. 5
• D. -6

Answer: Option A

Explanation: