The property of a (an) ____________ is that the product of the means is equal to the product of the extremes.

• A) proportion
• B) multiplicative
• C) ratio
• D) additive

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) $3×2$
• B) $2×3$
• C) $2×2$
• D) $3×3$

Consider W/X= Y/Z, the values in the X and Y positions are called the ___________ of the proportion.

• A) means
• B) extremes
• C)
• D)

A proportion is a comparison of…………………….

• A) None of these.
• B) Two ratios
• C) Three quantities
• D) Two quantities

What is percent of change 32 to 24?

• A) 14%
• B) None of them
• C) 25%
• D) 33%

Two matrices $A$ and $B$ are said to be confirmable for subtraction if __________.

• A) they have the same number of rows
• B) they have different dimensions
• C) they have the same number of rows and columns
• D) they have the same number of columns

40% of what is 8?

• A) 120
• B) 5
• C) 3.2
• D) 20

The value of the expression 2^x –x^2 = 2^x – x satisfied by………

• A) x = 1
• B) None of these
• C) Both x=0 and x=1
• D) x = 0

If we want to build retirement income or child’s education etc. then which of the following term‘ll be of the best use......

• A) Annuities
• B) Compound interest
• C) Provident fund
• D) Simple interest

Matrix multiplication is only possible if the row matrix and the column matrix have the __________ number of elements.

• A) same
• B) different
• C)
• D)

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

• A) 350
• B) 150
• C) 450
• D) 250

(a + b) A = _____________

• A) a A + b A
• B) a b A
• C) a + b A
• D) a A + b

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

• A) Yes
• B) No
• C)
• D)

In the ordinary annuity formula which of the following symbol represent amount of annuity (Cash flow per period)

• A) C
• B) PV
• C) n
• D) i

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

The sum of two numbers is 48.If the numbers are in the ratio 3:5.What is the smaller number?

• A) 30
• B) 78.4
• C) 18
• D) 128

4800 is 24% of what?

• A) 2000
• B) 20
• C) 2
• D) 20000

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

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

An equation 2x+1 = 0 is a...

• A) Cubic Equation
• B) Linear equation
• C) None of these
• D) Quadratic equation

Matrix multiplication is only possible when number of ______ of 1st matrix is equal to number of __________ of 2nd matrix.

• A) columns, rows
• B) rows, rows
• C) rows, columns
• D) columns, columns