• A. $\left[\begin{array}{cc}1& 0\\ 0& 1\end{array}\right]$
• B. $\left[\begin{array}{cc}0& 1\\ 0& 0\end{array}\right]$
• C. $\left[\begin{array}{cc}0& 1\\ 1& 0\end{array}\right]$
• D. $\left[\begin{array}{cc}1& 1\\ 1& 0\end{array}\right]$

Answer: Option C

Explanation:

• A. $\left(3,-4\right)$
• B. $\left(-3,4\right)$
• C. $\left(-3,-4\right)$
• D. $\left(3,4\right)$

Answer: Option A

Explanation:

• A. (3,-4)
• B. (-3, 4)
• C. (- 3, - 3)
• D. (3, 4)

Answer: Option A

Explanation:

• A. $\frac{u^2}{2g}$
• B. $\frac{2u^2}{g}$
• C. $\frac{u^2}{2g}\sin a$
• D. $\frac{u^2}{2g}\cos a$

Answer: Option B

Explanation:

• A. $135°$
• B. $45°$
• C. $225°$
• D. $90°$

Answer: Option B

Explanation:

• A. $\frac{5}{4}$
• B. $\frac{4}{5}$
• C. $\frac{2}{5}$
• D. $\frac{2}{6}$

Answer: Option A

Explanation:

• A. $1500 m$
• B. $1520 m$
• C. $1540 m$
• D. $1560 m$

Answer: Option D

Explanation:

• A. 36 m
• B. 38 m
• C. 42 m
• D. 48 m

Answer: Option B

Explanation:

• A. $0$
• B. $1$
• C. $-46$
• D. $-16$

Answer: Option D

Explanation:

• A. $x^2-2x+4=0$
• B. $x^2-2x-4=0$
• C. $x^2+2x-4=0$
• D. $x^2+2x+4=0$

Answer: Option A

Explanation:

• A. 4
• B. 2
• C. 3
• D. 5

Answer: Option B

Explanation:

• A. 120°
• B. 135°
• C. 90°
• D. 60°

Answer: Option B

Explanation:

• B. -1
• C. $1+2\omega$
• D. $2+\omega$

Answer: Option D

Explanation:

• A. $x^2-2x+3=0$
• B. $x^2+2x+3=0$
• C. $x^2-2x-1=0$
• D. $x^2+2x-1=0$

Answer: Option A

Explanation:

• A. অধিবৃত্ত
• B. বৃত্ত
• C. পরাবৃত্ত
• D. উপবৃত্ত

Answer: Option A

Explanation: