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

Answer: Option C

Explanation:

• A. $\frac{5}{6}$
• B. $1\frac{2}{3}$
• C. $1\frac{7}{8}$
• D. $3\frac{3}{4}$

Answer: Option B

Explanation:

• A. $৬{০}^{\circ },৫{০}^{\circ },৭{০}^{\circ }$
• B. $৬{০}^{\circ },৬{০}^{\circ },৬{০}^{\circ }$
• C. $৮{০}^{\circ },৯{০}^{\circ },১{০}^{\circ }$
• D. কোনোটিই নয়

Answer: Option B

Explanation:

• A. $১{২}^{৪}$
• B. $১{১}^{৪}$
• C. $১{০}^{৪}$
• D. ${৯}^{৪}$

Answer: Option B

Explanation:

• A. $\frac{a^2}{2}$ব.মি.
• B. $2a^2$ব.মি.
• C. $a^2$ব.মি.
• D. $\frac{a^2}{4}$ব.মি.

Answer: Option A

Explanation:

• A. $\frac{১}{১৫}$
• B. $\frac{৩}{১০}$
• C. $\frac{২}{১৫}$
• D. $\frac{১}{১০}$

Answer: Option B

Explanation:

• A. $y^2=ax$
• B. $x^2+y^2=16$
• C. $ax+bx+c=0$
• D. $y^2=2x+7$

Answer: Option B

Explanation:

• A. $০.{১}^{\circ }{১}^{\circ }$
• B. $০$
• C. $০.{০}^{\circ }{১}^{\circ }$
• D. $০.০১$

Answer: Option B

Explanation:

• A. $2$
• B. $1$
• C. $\left[1+{\left(-1\right)}^n\right]$
• D. $\frac{1}{2}\left[1-{\left(-1\right)}^n\right]$

Answer: Option D

Explanation:

• A. $\frac{n}{2}$
• B. $\frac{n+1}{2}$
• C. $\frac{n+2}{2}$
• D. $n(n+1)$

Answer: Option B

Explanation:

• A. $a^2=bc$
• B. $b^2=ac$
• C. ab=bc
• D. a=b=c

Answer: Option B

Explanation:

• A. $\sqrt{-3}$
• C. $\sqrt{3}$
• D. $\sqrt{\frac{2}{3}}$

Answer: Option A

Explanation: