Column Matrix

Q.

The order of a column matrix can be

1. 2 x 2

2. 1 x 2

3. 3 x 1

4. 3 x 2

Q.

$A=\left[\begin{array}{ccc}1& 2& 3\\ 2& 3& 1\\ 3& 1& 2\end{array}\right]andB=\left[\begin{array}{c}14\\ 11\\ 11\end{array}\right]$
Find the order of a matrix X such that A.X = B

1. $3\times 3$

2. $1\times 3$

3. $3\times 1$

4. $1\times 1$

Q.

Find x and y if $\left[\begin{array}{c}5x\\ 3y\end{array}\right]=\left[\begin{array}{c}-25\\ -15\end{array}\right]$

1. x = -5, y = -5

2. x = 5, y = 5

3. x = -5, y = 5

4. x = 5, y = -5

Q.

If A = $\left[\begin{array}{cc}0& 2\\ 3& 5\end{array}\right]$, B = $\left[\begin{array}{ccc}3& 4& 5\\ 2& 3& 1\\ 1& 3& 7\end{array}\right]$, then A + B =

1. 

2. 

3. 

4. None

Q.

Simplify.$72÷\left(6+3\times 2\right)$

Q.

Class Interval	Frequency
100-12	12
120-140	14
140-160	8
160-180	6
180-200	10

mean is 145.20
If true then enter $1$ and if false then enter $0$

1. 0
2. non of thease
3. 1
4. can not det

Q.

Identify the matrix $\left[\begin{array}{c}1\\ 2\\ 3\\ 4\\ 5\end{array}\right]$

1. Row matrix

2. Column Matrix

3. Unit matrix

4. Square matrix

Q. What are the different shapes of graph of a cubic polynomial?

Q. A matrix with only one column could be called ____ matrix.

1. square
2. column
3. row
4. identity