Question # 1

Given the demand and supply cautions qo = -8p + 2000 and qs = 12 p - 200 respectively the equilibrium price.

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p = 100

p = 110

p = 120

p = 140

Union of A with A, that is A U A.

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Complement of A

A itself

Con not be determined

None of these

If matrix A is of m x n dimension, then A will be

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n x m dimension

m x n dimension

n x p dimension

m x m dimension

A possible use in economies for the circle of the ellipse is to model.

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Production possibility curve

Demand curve

Iosco line

Supply curve

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

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Countable set

Infinite set

Finite set

unit set

if A = A , then A is

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Symmetric matrix

Skew symmetric matrix

Identity matrix

Orthogonal matrix

The matrix A multiplies by its inverse will b e a.

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Identity matrix

Skew symmetric matrix

Idempotent matrix

Adjoin of a matrix

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

Matrix multiplication does not satisfy

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Associative law

Distributive law

Commutative law

None of the above

A mathematical statement setting two algebraic expressions equal to each other is called.

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Equations

Hypothesis

Inequality

All of above

if we are told that the two statements y = 3x2 and y = x + 10' are bout true at the same time , they are called.

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Implicit functions

explicit functions

Simultaneous equations

Quadratic equations

The set which contains all the element of the two given sets A and B, avoiding duplication, is called.

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Intersection of A and B

Union of A and B

Set A and B

None of these

Union of A and the universal set is

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A

A'

Universal set

None of these

A function where a variable x can only very in jumps, is often called.

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Non linear functions

Inverse function

Step function

All of above

The simplest form of rectangular hyperbola is

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y = 1/x

y = x2

y = x-2

y = x3

Ordered Pairs of two sets are called.

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Elements

Function

Cartesian product

None of the above

A set totality of elements from all possible sets is called.

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Union set

Intersection set

Universal set

Unit set

If the determinant formed by the elements of the matrix is not equal to zero, then the matrix is called.

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Skew symmetric

Symmetric

Singular

Non -singular

If every 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

Not equal

a possible use in encomia's for the circle or the ellipse is to model.

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Production possibility curve

Demand cuve

Isocost liine

Supply curve

If B is a subset of A, then AUB =

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B

Intersection of A and B

A

None of these

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