Question # 1

P∉ A means

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Pis subset of A

Pis an element of A

P does not belongs to A

A does not element of P

The multiplicative inverse of x such that x = 0 is

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-x

Does not exist

1/x

±1

A circle drawn inside a triangle and touching its sides is called ______;

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Circumcirle

Incircle

Escribed circle

unit circle

The surface generated by lines, consists of two parts, called:

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vertex

apex

nappes

axis

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No solution

One real solution

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n!

0!

1

None of these

The order of the matrix A is 3 x 5 and that of B is 2 x 3.The order of the matrix BA is

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2 x 3

3 x 2

2 x 5

5 x 2

The transport of a rectangular matrix is a

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Square matrix

Rectangular matrix

Row matrix

Column matrix

a >b ⇒a +c >b +c is known as

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Trichotomy property

Additive property of inequality

Transitive property

Multiplicative property

If A is a set then any subset R of A x A is called

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relation on A

relation on B

relation from A to B

relation from B to A

a.a^-1 = a^-1.a = 1 is a

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Commutative law of multiplication

Multiplicative identity

Associative law of multiplication

Multiplicative inverse

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0

-1

1

not defined

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3, -3, 11

3, 3, 11

-3, 3, -11

-3, -3, 11

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none of these

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A number A is called the arithmetic mean between a and b if a, A, b is ______

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Arithmetic sequence

Geometric sequence

Harmonic sequence

Arithmetic sequence

If a,βare the roots of the equation x2 - 8x + p = 0 and a2 + β2= 40,then value of p is

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8

12

10

14

The statement that a group can have more than one identity elements is

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True

False

Fallacious

Some times true

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0

1

-1

2

One minute is denoted by

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1⁰

1'

1"

None of these

If f(x) = x²then f(0) is

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0

1

2

none of these

Any horizontal line divided the plane into

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Left half plane

Upper and lower half planes

Infinite number of horizontal liens

None of these

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If a force F = 2i + j +3k acts at point (1,-2,2) of a body then the moment of F about a pint lying on the line of action of the force is

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5

Equal to the moment of the force about origin

0

Cannot be found

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For any set B,B∪B' is

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Is set B

Set B'

Universal set

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3/4

-3/4

4/3

-4/3

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In a class of 100 students, 60 drink tea, 50 drink coffee and 30 drink both. A student from his class is selected at takes at last one of 2 drinks is

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2 / 5

3 / 5

4 / 5

None of these

The general equation of circle x³ + y³ + 2gx + 2fy + c = 0 , contains:

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Three independent variables

Two independent conntants

Three indepentent parameters

Three independent constants

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