Question # 1

If P = {x/x = p/q where p,q∈ Z and q≠ 0}, then P is the set of

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Irrational numbers

Even numbers

Rational numbers

Whole numbers

If (1+x)ⁿ=C₀+ C₁x +C₂x²+ ......+C_nx¹then C₀C₂+ C₁C₃+ C₂C₄+ .....+C_n-2C_n=

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In R, the multiplicative inverse of a is

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0

1

-a

1/a

The distance between the points A(3,1) and B(-2,-4) is

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5

25

10

An experiment yields 3 mutually exclusive and exhaustive events A, B, C, if P(A) =2 and P(B) = 3. then P(C) =

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1 / 11

2 / 11

3 / 11

6 / 11

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

The zero vector is

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[0, 0, 0]

[1, 1, 1]

[0, 1, 0]

[0, 0, 1]

The direction cosines of a line equally inclined with co-ordinate axes are

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The sum of coefficients in the binomial expansion equals to

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2

2ⁿ⁺¹

2^n-1

2ⁿ

The probability of getting a number between 1 and 100 which is divisible by 1 and itself if only is

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1 / 4

1 / 2

3 / 4

25 / 98

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15/23

7/15

7/8

15/7

Every set is an improper subset of

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Empty set

Equivalent set

Itself

Singleton set

If A and B are skew-symmetric then (AB)t is

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At Bt

AB

-AB

BA

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2x

3x²

1

0

If for two events A and B , P(A∪B)=1,then events A and B are

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Certain events

Mutually exclusive

Complementary events

Independent

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The general solution of tan 3x = 1 is

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0 (zero) is

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An irrational number

A rational number

A negative integer

A positive number

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Which of the following is the definition of singleton

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The objects in a set

A set having no element

A set having no subset

None of these

Which one is a pair of allied angles

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(180° -θ)

(180° -θ,180° +θ)

(180° +θ)

None of these

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0

1

-1

none of these

The fixed point from which all the points of a circle are equidistant is called the

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chord of the circle

centre of the circle

diameter of the circle

radius of the circle

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1

2

0

4

The approximate increase in the area of a circular disc if its diameter increased form 44cm to 44.4cm is

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0.4cm

8.8πcm

17.6 πcm

35.2πcm

If (1+x-2x³)⁶= 1+a₁x + a₂x²+ a₃x³+ ..... the the value of a₂+ a₄+ a₆+ .....+a₁₂will be

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32

31

64

1024

A Series which does not coverage to a Unique sum is called

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Harmonic Series

Oscillatroy Series

Arithmetic Series

None of these

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405 / 256

504 / 259

450 / 263

None

A line joining two distinct points on a parabola is called a ______ of the parabola.

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Chord

Tangent

Lust rectum

directrix

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