Question # 1

If uv= Projuv then

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Uandvare parallel

vis a unit vector

Uis a unit vector

Both b and c

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Less then 1

Equal to 1

Greater than 1 but less then 2

Greater then or equal to 2

An unbiased die is thrown. Then the probability of getting a prime is

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1/2

2/3

3/4

None of these

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A.P.

G.P.

H.P.

None of these

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none of these

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0

20

90

80

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2x + 2y

4 - x²

-x/y

x/y

Composition of functions is

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Non-commutative (fg ≠ gf)

non-associative [8(fh) ≠(8f)h]

Commutative (fg = gf)

f of-1≠ 1

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1

2

-2

nCn-r is equal to

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n!

n-1Cr

nCr

None of these

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1

-1

Domain of cosθis

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Set of odd numbers

Set of integers

Set of real numbers

Set of complex numbers

Power set of X i.e P(X) _______ under the binary operation of union U

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Forms a group

Does not form a group

Has no identity element

Infinite set although X is infinite

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additive property

multiplicative property

additive identity

multiplicative identity

In quadratic equation, if the replacement of y with -y leaves the equation unchanged, then the graph is

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Straight line

Circle

Hyperbola

Symmetric w.r.t.0

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a₁+ a₂

a²₁+ a²₂

In common logarithm the base is

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1

0

10

e

If n is any positive integer then 4ⁿ>3ⁿ+ 4 is true for all

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2π is the period of

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sin𝜽

tan𝜽

cot𝜽

all circular function

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Even

Odd

Prime

None of these

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

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Addition

Multiplication

Division

Subtraction

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Improper rational fraction

Rational fraction

Proper rational fraction

None of above

An equation of the form ax + by = k is homogeneous linear equation when

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b = 0, a = 0

a = 0,b ≠ 0

b = -0,a≠ 0

a≠ 0,b≠ 0, k = 0

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Associative law of addition

Commutative law of addition

Additive identity

Closure law of addition

A function whose domain is a subset of natural numbers is called ______

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Identity function

Sequence

Onto function

Series

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

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a = 2

b = 2

a = b

a = 4

The parametric equations of a circle are

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The line y =mx +1 is tangent to the parabola y2 =4x if

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m=1

m=2

m=3

m=4

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