Question # 1

The set {x|x∈N∧x-4=0} in tabular form is

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{-4}

{0}

{}

None of these

∀x,y,z ∈ R and z 0,then

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x > y ⇒ xz > yz

x<y ⇒ xz < yz

x < y ⇒ xz > yz

None of these

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none of these

Every term of a G.P. is positive and also every term is the sum of two preceding terms. Then the common ratio of the G.P. is

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If distance of (a,b) from origin is 5 then

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a²+ b²=5

a = 5

b = 5

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-2x³

2x^-3

-2x^-3

2x³

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Rational

Irrational

Even

Odd

tan(3π/2 +θ)=______;

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tanθ

cotθ

-tanθ

-cotθ

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none of these

The span of a standard parabola depends upon

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x

a

y

y2

cot(3π/2 -θ)=______;

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tanθ

cotθ

-tanθ

-cotθ

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How many arrangements of the letters of the word ADDING can be made

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none of these

A prime number can be a factor of a square only if it occurs in the square at least

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Once

Thirce

Twice

None of these

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2

4

6

8

Each complex cube root of unity is square of

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itself

1

-1

the other

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Only one real solution

Exactly three real solution

Exactly one rational solution

Non-real roots

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A,G,H are in

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A.P

G.P

H.P

None of these

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Symmetric property

Cancellation property w.r.t. multiplication

Reflexive property

Transitive property

Given two numbers a and b. Let A denote the single A.M. between these and S denote the sum of n A.M.'s between them. Then S/A depends upon

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n, a, b

n, a

n, b

n

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1 + tan²x + c

tan x + c

-tan x + c

cot x + c

Q∪ Q' =

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Q

Q'

N

R

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Y = -x log x -x + c

Y = x log x + x

Y = x log x - x + c

None of these

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The set of first elements of the ordered pairs in a relation is called its

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domain

range

relation

function

The multiplicative inverse of 1 is

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1

-1

0

Does not exist

The axis of the parabola x² = 4ay is:

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y = 0

x = 0

x = -a

y = a

sin 3a = ______;

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3sin a - 4sin3a

4sin a -3 sin3 a

3 cos3 a -cosa

4cos3 a - 3cos a

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