Question # 1

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The eccentricity e of an ellipse is always

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Rational

Real

Irrational

Integer

For any real numbers x,y,xy=o ⇒

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x ≠ 0 ∧ y ≠ 0

x = 0 ∨ y = 0

x = 0

y = 0

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If n(A) = n then n(P(A)) is

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2n

n²

n/2

2ⁿ

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sin x + c

-sin x + c

cos x + c

-cos x + c

If A = |aij| is (m x n) matrix then transpose of A is of the order

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m x m

m x n

n x n

n x m

The set {{a,b}} is

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Infinite set

Singleton set

Two points set

None

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sin(π+θ)=_______;

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sinθ

cosθ

-sinθ

-cosθ

Find a if 1 is a root of the equation x²+ ax + 2 = 0

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3

-3

2

0

How many signals can be given by 5 flags of different colours, using 3 flags at a time

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120

60

24

15

1 radian = ______

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180°

90°

57.296°

60°

The approximate percentage increase in the volume of a cube if the length of its each edge changes from 5 to 5.02 is

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1.2%

1.5%

0.16%

100.16%

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A

0

Unit vector

None

Identity w.r.t intersection in a power set of any set is

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∅

Set itself

Singleton set

{0}

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A = B

B = C

A = C

None of these

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¹⁰C₆

¹⁰C₅

¹⁰C₄

None

If a > 0 they parabola y2 =-4ax lies in

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I and iv quadrant

I quadrant

II and III quadrant

All are incorrect

The real number system contains.

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Positive Numbers

Negative numbers

Zero

(option a, b and c)

The number of proper subset of A ={a.b.c.d} is

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3

6

8

15

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-1

0

1

undefined

graph of sine function is bounded between lines

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y± 1 = 0

x± 1 = 0

x± y - 0

None of these

The points (5, 2, 4)(6, -1, 2) and (8, -7, k) are collinear if k is equal to

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-2

2

3

-1

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none of these

If A = {x / x ∈ R ∧ x² - 16 = 0} then A =

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- x

Infinite set

Φ

{-4,4}

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Symmetric

Skew-symmetric

Hermitian

Skew hermitian

Sin 45° = ______

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The first three terms in the expansion of (1 + x)³are

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1 + 3x +6x²

1- 3x + 6x²\

-3 -3x -6x²

1- 3x -6x²

n² - 1 divisible by 8 when n is

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an odd integer

an even integer

Irrational

Prime Number

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