Question # 1

The positive difference among the sale price and cost price is called

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Loss

Profit

Percentage

Ratio

If matrix contains single column and 3 rows then this type of matrix is called.

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Row matrix

Column matrix

Null matrix

Identity matrix

According to text (C-S)>0 is:

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Loss

Profit

Mark-up

Mark-down

A matrix with same number of rows and columns is known as:

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Diagonal matrix

Scalar matrix

Square matrix

None

The origin is:

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(0,x)

(y,0)

(0,0)

(x,y)

A square matrix whose elements below the main diagonal are all zero is called.

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Upper triangular matrix

Lower triangular matrix

Rectangular

Row matrix

Formula to calculate compounded amount is:

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P(1 + i)ⁿ

P(1 + i)^-n

R (1 + i)

P (1 - i)ⁿ

If A is matrix of order mxn then to get AB, the matrix B must be order of

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m x m

P x P

m x P

n x P

A square matrix A is said to be singular if

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Unit matrix

Diagonal matrix

Square matrix

Singular matrix

(145)₁₀ = ( )₂

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10010001

10010111

11100001

10001001

Every proportion consists of:

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One term

Two terms

Three terms

4 terms

The ratio between 80 and 640 is

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1 : 4

2 : 4

1 :8

4 : 6

(100011)₂ x (1101)₂ = ---------------------------

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(111000111)₂

(100011001)₂

(100000001)

(110011001)₂

The discount which is calculated on list price of goods is called

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Trade discount

Cash discount

Rebate

None of these

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