Question # 1

If 0 = R, thenthe additive inverse of a is

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1/9

^1/-9

a

-a

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

Number of ways of writing the letters of WORD taken all at a time is

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24

4

12

6

The mid point of the line segment joining the points (4,0) and (0,4) is

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(4,4)

(2,2)

(-4,-4)

(-2,-2)

Which of the following is a vector.

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distance

temperature

energy

acceleration

If |αi + (α+1)j +2k| =3 then value of α is

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1,2

-1,-2

1,-2

-1,2

The additive inverse of 2/3 is

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3/2

-2/3

-3/2

0

The term independent of x is the expansion (x³+1/x)¹²

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295

495

395

722

Period of sin x is

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If a,b,c are in arithmetic progression, then 1/a,1/b.1/c are in

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A.M

G.M

H.M

G.P

Every subset of a finite set is

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Disjoint

Null

Finite

Infinite

If A is a skew-symmetric matrix of order n and P, any square matrix of order n, prove that P' AP is

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Skew-symmetric

Symmetric

Null

Diagonal

i is equal

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(1 , 0)

(0 , 1)

(1 , 1)

(0 , 0)

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36

360

24

6

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The set {Z\{0}} is group w.r.t

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Addition

Multiplication

Division

Subtraction

The additive inverse of 0 is

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1

-1

0

Does not exist

A function from X to X is denoted as

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f : X to Y

f : Y to Y

The arbitrary constants involving in the solution can be determined by the given conditions. Such conditions are called

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Boundaries

Variable separable

Initial values

None

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The series obtained by adding the terms of a geometric sequence is called

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Infinite series

Arithmetic series

Geometric series

Harmonic series

A stationary point x is a relative exterma of y= f(x) is

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f′′ (x) > 0

f′′ (x) < 0

f′′ (x) ≠ 0

f′′(x) = 0

The velocity of a particle moving along a straight line is given by v = 3t + t². The acceleration of the particle after 4 seconds from the start is

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4

11

26

None

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5

25

3

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2x

2

The nth term of an A.P is (3n+5) Its 75th term is

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26

7

21

Cannot be determined

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quadratic function

constant function

linear function

exponential function

Matrices are represented by

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Natural numbers

Real numbers

Small letters

Capital letters

Sin 45° = ______

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x

y

n(n - 1) (n - 2) .... (n - r + 1) = ______

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