If x = 341.25 + 0.025 x then the value of x is _____________.

• A) 450
• B) 250
• C) 150
• D) 350

The multiplicative inverse of 1/100 is equal to _____________.

• A) 50
• B) 25
• C) 100
• D) 75

\({\rm{If}}\,{\rm{ }}\,X = \left[ {\begin{array}{*{20}{c}} 5\\ { - 3} \end{array}} \right]{\rm{ and }}\,Y = \left[ {\begin{array}{*{20}{c}} 9&{11} \end{array}} \right]{\rm{ then}}\,\;XY = \_\_\_\_\_\_\_\_\_\_.\)

• A) \(\left[ {\,78\,} \right]\)
• B) \(\left[ {\begin{array}{*{20}{c}} {14}&8 \end{array}} \right]\)
• C) \(\left[ {\begin{array}{*{20}{c}} {45}\\ { - 33} \end{array}} \right]\)
• D) \(\left[ {\,12\,} \right]\)

What is the order of the matrix $A = \left[ {\begin{array}{*{20}{c}} 1&6 \end{array}} \right]$?

• A) \( 2×1\)
• B) \( 1×1\)
• C) \( 2×2\)
• D) \(1×2 \)

\({\text{If}}\,P = {\text{Rs}}{\text{.}}\,\,500,T = 4\,{\text{years and }}R = 11\% \,{\text{ then}}\,{\text{the simple interest is }}\_\_\_\_\_\_\_\_\_\_\_\_\_.\)

• A) \({\text{Rs}}{\text{. }}200\)
• B) \({\text{Rs}}{\text{. }}220\)
• C) \({\text{Rs}}{\text{. }}330\)
• D) \({\text{Rs}}{\text{. }}320\)

\[{\text{The }}\,\,{\text{algebraic }}\,\,{\text{expression}},\,\,{x^2} + xy - 6{y^2}{\text{, }}\,\,{\text{is }}\,\,{\text{an }}\,\,{\text{example }}\,\,{\text{of}}\,\,\_\_\_\_\_\_\_\_.\]

• A) \[{\text{Both trinomial and polynomial}}\]
• B) \[{\text{Both Binomial and polynomial}}\]
• C) \[{\text{Binomial}}\]
• D) \[{\text{Trinomial}}\]

If A = \left[ {\begin{array}{*{20}{c}} \begin{gathered} 2 \hfill \\ 0 \hfill \\ \end{gathered} &\begin{gathered} 2 \hfill \\ 0 \hfill \\ \end{gathered} &\begin{gathered} 2 \hfill \\ 0 \hfill \\ \end{gathered} \end{array}} \right] and B = \left[ {\begin{array}{*{20}{c}} 1 \\ 1 \\ 1 \end{array}} \right] then the matrix AB wil be ______________.

• A) \left[ {\begin{array}{*{20}{c}} 2&2&2 \end{array}} \right]
• B) \left[ {\begin{array}{*{20}{c}} 6 \\ 0 \end{array}} \right]
• C) \left[ 2 \right]
• D) \left[ {\begin{array}{*{20}{c}} \begin{gathered} 2 \hfill \\ 0 \hfill \\ \end{gathered} &\begin{gathered} 2 \hfill \\ 0 \hfill \\ \end{gathered} &\begin{gathered} 2 \hfill \\ 0 \hfill \\ \end{gathered} \end{array}} \right]

{\text{If }}i = 5\% {\text{ and }}n = 10{\text{, then the accumulation factor AF is equal to __________}}{\text{.}}

• A) 11.85
• B) 11.58
• C) 12.58
• D) 12.85

If A = \left[ {\begin{array}{*{20}{c}} 1&2 \\ 2&0 \end{array}} \right] and B = \left[ {\begin{array}{*{20}{c}} 1&{ - 1} \\ 1&1 \end{array}} \right] then A-B will be _________.

• A) \left[ {\begin{array}{*{20}{c}} 1&2 \\ 3&4 \end{array}} \right]
• B) \left[ {\begin{array}{*{20}{c}} 0&3 \\ 1&{ - 1} \end{array}} \right]
• C) \left[ {\begin{array}{*{20}{c}} 2&{ - 1} \\ 3&1 \end{array}} \right]
• D) \left[ {\begin{array}{*{20}{c}} 2&1 \\ 1&3 \end{array}} \right]

If\,\,\,{\rm{List price = 4,500 Rs,}}\,\,\,\,\,{\rm{Discount = 20 \% }}{\rm{.}}\,\,Find\,\,\,the\,\,\,{\rm{Net cost price?}}

• A) 3600\,
• B) None\,\,of\,\,these
• C) 4300
• D) 3200

If $A = \left[ {\begin{array}{*{20}{c}} \begin{gathered} 2 \hfill \\ 0 \hfill \\ \end{gathered} &\begin{gathered} 2 \hfill \\ 0 \hfill \\ \end{gathered} &\begin{gathered} 2 \hfill \\ 0 \hfill \\ \end{gathered} \end{array}} \right]$ and $B = \left[ {\begin{array}{*{20}{c}} 1 \\ 1 \\ 1 \end{array}} \right]$ then the matrix $AB$ wil be ______________.

• A) $\left[ 2 \right]$
• B) $\left[ {\begin{array}{*{20}{c}} 6 \\ 0 \end{array}} \right]$
• C) \[\left[ {\begin{array}{*{20}{c}} 2&2&2 \end{array}} \right]\]
• D) $\left[ {\begin{array}{*{20}{c}} \begin{gathered} 2 \hfill \\ 0 \hfill \\ \end{gathered} &\begin{gathered} 2 \hfill \\ 0 \hfill \\ \end{gathered} &\begin{gathered} 2 \hfill \\ 0 \hfill \\ \end{gathered} \end{array}} \right]$

{\text{If}}\,\,\,\frac{1} {2} = \frac{x} {3}\,\,\,{\text{then}}\,\,\,x = \_\_\_\_\_\_\_\_\_.

• A) \frac{2} {3}
• B) \frac{3} {2}
• C) \frac{1} {6}
• D) \frac{1} {2}

If $A = \left[ {\begin{array}{*{20}{c}} \begin{gathered} 1 \hfill \\ 0 \hfill \\ 1 \hfill \\ \end{gathered} &\begin{gathered} 2 \hfill \\ 0 \hfill \\ 1 \hfill \\ \end{gathered} \end{array}} \right]$ and $B = \left[ {\begin{array}{*{20}{c}} \begin{gathered} 2 \hfill \\ 2 \hfill \\ 0 \hfill \\ \end{gathered} &\begin{gathered} 2 \hfill \\ 2 \hfill \\ 0 \hfill \\ \end{gathered} \end{array}} \right]$ then $A+B$ will be __________.

• A) \[\left[ {\begin{array}{*{20}{c}} \begin{gathered} 3 \hfill \\ 2 \hfill \\ 1 \hfill \\ \end{gathered} &\begin{gathered} 4 \hfill \\ 2 \hfill \\ 1 \hfill \\ \end{gathered} \end{array}} \right]\]
• B) \[\left[ {\begin{array}{*{20}{c}} \begin{gathered} 2 \hfill \\ 1 \hfill \\ 2 \hfill \\ \end{gathered} &\begin{gathered} 1 \hfill \\ 2 \hfill \\ 1 \hfill \\ \end{gathered} \end{array}} \right]\]
• C) \[\left[ {\begin{array}{*{20}{c}} \begin{gathered} 3 \hfill \\ 2 \hfill \\ 1 \hfill \\ \end{gathered} &\begin{gathered} 4 \hfill \\ 1 \hfill \\ 1 \hfill \\ \end{gathered} \end{array}} \right]\]
• D) \[\left[ {\begin{array}{*{20}{c}} \begin{gathered} 3 \hfill \\ 0 \hfill \\ 1 \hfill \\ \end{gathered} &\begin{gathered} 4 \hfill \\ 2 \hfill \\ 0 \hfill \\ \end{gathered} \end{array}} \right]\]

A matrix with dimension $1 \times n$ is known as _________.

• A) column matrix
• B) row matrix
• C) singular matrix
• D) null matrix

What is the order of the matrix A = \left[ {\begin{array}{*{20}{c}} 1&6 \end{array}} \right]?

• A) 1×1
• B) 1×2
• C) 2×2
• D) 2×1

{\text{Is }}\,\,\frac{{\text{2}}} {4}\,\,{\text{proportional to }}\frac{{\text{3}}} {{15}}?

• A) Yes
• B) No
• C)
• D)

Let A be an m×n matrix and k be any scalar, then scalar multiplication of matrix A is obtained by ____________.

• A) substituting the scalar k for each element of matrix A
• B) multiplying each element of matrix A by the scalar k
• C) adding the scalar k to each element of matrix A
• D) dividing each element of matrix A by the scalar k

{\rm{If}}\,{\rm{ }}A = \left[ {\begin{array}{*{20}{c}} 2\\ 3\\ 0 \end{array}} \right]{\rm{ and }}B = \left[ {\begin{array}{*{20}{c}} { - 1}&0&6 \end{array}} \right]{\rm{ then}}\;AB = \_\_\_\_\_\_\_\_\_\_.

• A) \left[ { - 2 } \right]
• B) \left[ {\begin{array}{*{20}{c}} 1&3&6 \end{array}} \right]
• C) \left[ {\,7\,} \right]
• D) \left[ {\begin{array}{*{20}{c}} 1\\ 3\\ 6 \end{array}} \right]

\[ If\,\,\,{\rm{List price = 4,500 Rs,}}\,\,\,\,\,{\rm{Discount = 20 \% }}{\rm{.}}\,\,Find\,\,\,the\,\,\,{\rm{Net cost price?}} \]

• A) \[ 3600\, \]
• B) \[ 4300 \]
• C) \[ None\,\,of\,\,these \]
• D) \[ 3200 \]

What is the order of the matrix A = \left[ {\begin{array}{*{20}{c}} \begin{gathered} 1 \hfill \\ 3 \hfill \\ \end{gathered} &\begin{gathered} 2 \hfill \\ 4 \hfill \\ \end{gathered} &\begin{gathered} 1 \hfill \\ 0 \hfill \\ \end{gathered} \end{array}} \right]?

• A) 3×3
• B) 3×2
• C) 2×2
• D) 2×3