Question # 1

If B is a subset of A ,then A is a

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Super set of B

Sub set of B

Empty set of B

Universal set of B

If two sets contains the same number of distinct elements but not the same elements are called.

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Pie diagram

Venn diagrams

Histogram

Ogives

For any square matrix a of order 'n'a (Ad)A) is equal to.

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(Ad) A) A

Determinant A

Rank of A

Both a and b

A square matrix a of order 'n' is called a diagonal matrix if its non diagonal elements are.

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zero

Non zero

One

None of the above

A positive definite Hessian fulfills the second order conditions for

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Maximum

Minimum

Both maximum and minimum

Mini max

The determinant of quadratic form is called.

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Jacobian determinant

Hessian determinant

Discriminant

None of these

A matrix with all elements zero other than all the diagonals is called.

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Diagonal matrix

Orthogonal matrix

Unit matrix

Column vector

If A and B are symmetric matrix, then AB- BA is.

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Symmetric

Skew symmetric matrix

Idempotent matrix

Orthogonal matrix

The simplest form of rectangular hyperbola is

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y = 1/x

y = x2

y = x-2

y = x3

If each element of a raw of column of a square matrix A is zero, then the value of the determinant. is.

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Equal

One

Zero

None of these

The signed minor of the matrass A is called.

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Adjoin

Co factor

Minor

Rank

The set of 'stars in the sky' is an example of

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Countable set

Infinite set

Finite set

unit set

a x2 + bx + c = 0

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Linear equation

Quadratic equation

Polynomial of degree five

None of these

If a consumer's budget constraint is given as P, X,+ Py Y = B thent he absolute slope of the budget line is.

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B

x/y

P/Py

None of these

Matrix multiplication does not satisfy

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Associative law

Distributive law

Commutative law

None of the above

If the determinant formed by the elements of the matrix A is equal to zero, then the matrix is.

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Skew symmetric

Singular

Symmetric

Non singular

The associative law of union is

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AU (BUC= (AUB)

U C

AUB = BUA

BUC = BUA

Unknown values in an equation are called.

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Constants

Numeraire

Variables

All of the above

The set of subsets of a set A is called.

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Power set of A

Complement of A

Both a and b

None of these

For any square matrix A of order 'n' a +A is.

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Skew symmetric

Non skew symmetric

Symmetric

Non symmetric

The elements in the Horizontal line in a matrix is called.

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Columns

Rows

Elements

Diagonal

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