Question # 1

p(x) = 2x⁴- 3x³+ 2x - 1 is polynomial of degree

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1

2

3

4

A point (x,y) which satisfy a linear inequality in two variables form its

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Solution

Domain

Range

None

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30°

45°

60°

90°

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x = _________ is in the solution of 2x + 3 < 0

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0

2

-1

-2

Equation of the chord of contact to the tangents drawn from (-3,4) to the circle x2 + y2 = 21

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-3x + 4y =21

4x - 3x = 0

-3x + 4y = 25

None of these

If a = [1,4,3] and B= [2,-1,5] athen the mid point M of AB is:

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[1,1,1.5]

[2,2,1.5]

[1.5,1.5,4]

None of these

When a selection of object is made without paying regard to the order of selection, it is called

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Sequence

Series

Combination

Permutation

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1

2

3

If the distance of any point on the curve from any of the two lines approaches zero then it is called

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Axis

Directrices

Asymptotes

None

A relation in which the equality is true only for some values of the unknown is called

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An identity

An equation

A polynomial

None

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I

14 I

0

None of these

If the matrices A and B are conformable for multiplication then (AB)^t= ______

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AB

A^tB^t

B^tA^t

A^tB

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0

1

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12

6

8

none of these

Two circle x² + y²+2x - 8 = 0 and x² + y² -6 + 6x -46 =0:

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touch internally

do not intersect

touch externally

None of these

For trival solution |A| is

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A

|A| is non zero

A = 0

None of these

If E = { } , then P(E)

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∅

{ }

{(2),(4),(6)....}

(∅)

A bag contains 5 white, 7 red and 5 black balls. If four balls are drawn one by one with replacement, the probability that none is white is

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(11/16)²

(5/16)²

(11/16)⁴

(5/16)⁴

π is ______

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A complex number

A rational number

A natural number

An irrational number

If the vector 2i + 4j - 7k and 2i + 6j + xk are perpendicular then x = ?

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0

2

4

7

The principal value of sin-1√(3/2) is

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-π/3

π/3

2π/3

π/2

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1.5

1.2

8

None of these

The difference of two consecutive terms of an A.P is called the

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Common difference

Common ratio

Geometric series

Geometric mean

What is the conjugate of -7 -2i ?

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-7 + 2i

7 +2i

7 -2i

√53

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If two balls are drawn from a bag containing 3 white, 4 black and 5 red balls. Then the probability that the drawn balls are of different colours is

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1 / 66

3 / 66

19 / 66

47 / 66

The exact value of cos^-1 (-1) + cos^-1(1) =

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π

-π

π/2

π/3

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What is the value of cos-1(1/2)?

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π/3

π/4

3π/2

π/6

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