Question # 1

If p and q are two statements then their conjunction is denoted by

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How many types of an equation

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1

3

2

None

Two balanced dice are tossed once, the sample space when the integers on the faces of two dice are the same is

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{(1, 1), (2, 2), (3, 3)}

{(4, 4), (5, 5), (6, 6)}

{(1, 1), (2, 2), (3, 3), (4, 4), (5, 5), (6, 6)}

None of these

For any set B,B∪B' is

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Is set B

Set B'

Universal set

If (2,0) is the vertex and y-axis is directrix of parabola then focus is

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(2,0)

(-2,0)

(4,0)

(-4,0)

If distance of (a,b) from y-axis is 2 then

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a = 2

b = 2

a = b

a = 4

The distance of the point (-2,3) from x-axis is

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-2

2

3

1

The magnitude of a vector can never be

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Zero

Negative

Positive

None of these

An expression involving any of the symbols <,>,< or > is called

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equation

inequality

linear equation

identity

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sin(π+θ)=_______;

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sinθ

cosθ

-sinθ

-cosθ

If A and B are two sets then intersection of A and B is denoted by

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If ab > 0 and a < 0, which of the following is negative?

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b

-b

-a

(a - b)²

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The product of complex numbers (a,b) and (c,d) is

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(ac, bd)

(ac-bd, ad+bc)

(ab,cd)

(ac+bd,ad-bc)

The key for opening a door is in a bunch of 10 keys. A man attempts to open the door by trying the keys at random discarding the wrong key. The probability that the door is opened in the 5th trial is

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1 / 10

2 / 10

3 / 10

4 / 10

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all are correct

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x = 0 is in the solution of the inequality

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x > 0

3x + 4 < 0

x + 3 < 0

x - 2 < 0

The solution of differential equation:

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dy/dx+y/x = x²is :

4xy = x⁴+ c

4x = x⁴= c

4 y = x⁴+ c

4x=4x³ + c

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Principle of equality of fractions

Rule for product of fraction

Rule for quotient of fraction

1/2,1/3,1/4,1/5.........is

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a geometric sec

an arithmetric series

finite sequence

an infinite sequece

The square matrix A is skew-symmetric when At =

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-B

-C

-A

-D

A sequence is a function whose domain is

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N

Subset of N

R

None of these

If for the matrix A, A⁵= I, then A^-1=

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A²

A³

A

None of above

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If the terminal rays of an angle falls on any axis then the angle is called

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Allied angle

Acute angle

Standard position

Quadrantal angle

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Zero matrix

Diagonal matrix

Column matrix

Scalar matrix

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