Question # 1

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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The function whose range consists of just one element is called

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One-One Function

Identity Function

Onto Function

Constant Function

The 8th term of (1+2x) ^-1/2is

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-221/16 x⁷

-225/18 x⁷

-407/9 x³

-429/16 x⁷

∀ a ε R ∃ o ε R such that a + v = 0 + a = a is property of

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Commutative law of addition

Associative law of addition

Additive identity

Additive inverse

If x³- x²+ 5x+ 4 is divided by x - 2, then the reminder is

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0

2

18

14

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A diagonal matrix in which the diagonal elements are equal is called a

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Null matrix

Identity matrix

Scalar matrix

Row matrix

A circle drawn inside a triangle and touching its sides is called ______;

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Circumcirle

Incircle

Escribed circle

unit circle

The mid point of the line segment joining the points A(3,1) and B(-2,-4) is

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(1, -3)

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If either A = 0 or B =0,then Ax2 +By2 +2Gx +2Fy +c =0 represents a

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Circle

Hyperbola

Ellipse

Parabola

∀a,b ε R, ab = be is a

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Commutative law of multiplication

Closure law of multiplication

Associative law of multiplication

Multiplicative identity

The set of natural numbers is a subset of

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{1, 2, 3, .... 100}

The set of whole numbers

{2, 4, 6, 8, .....}

None of these

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What is the conjugate of -7 -2i?

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-7 + 2i

7 + 2i

7 -2i

None of these

The square matrix A is skew Hermitian when (A)'=

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A

A'

-A

A

If the domain of sequence is finite set then the sequence is called

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geometric sequence

infinite sequence

finite sequence

arithmetic sequence

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

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2n

n²

n/2

2ⁿ

For n€ N,2^n>2 > n is to only when

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n<2

n≤ 4

n≥ 4

The mid point of the line segment joining the points (3,-1) and (-3,1) is

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(3,-1)

(0,0)

(2,2)

(4,4)

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(2x+a+b+c)

(a+b+c)

(a+b+c+x)

0

If A⊆ B, and B is a finite set, then

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n (a) < n(B)

n(B)<(A)

n(A)≤ n (B)

n(A)≥ n(B)

The 60th part of one minute is called

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Degree

Second

Radiam

None of these

If the st. line 3x + 4y = K touches the circle x²+ y²- 10x = 0 then the value of K is

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-1 or 20

-10 or 40

-2 or 20

2 or 20

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x³

3x²

3x

3

Domain of cot x is ______

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f (x) = | x | is a/an

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Injective function

Bijective function

Surjective function

Implicit function

Let the sequence 1, 2, 2, 4, 4, 4, 4, 8, 8, 8, 8, 8, 8, 8, 8, ..... where n consecutive terms have the value n, then 1025th term is

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2⁹

2¹⁰

2¹¹

2⁸

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