Question # 1

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Zero matrix

Diagonal matrix

Column matrix

Scalar matrix

Cos 60° = ______

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1

2

1/2

3

The fifth term of an A.P. Whose first term is 5 and common difference is 3,is

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20

17

25

30

A function of the form p(x)/Q(x) is called:

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Rational function

Logarithmic function

Exponential function

Hyperbolic function

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Orthogonal

Involutary

Idempotent

Nilpotent

The additive inverse of 2/3 is

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3/2

-2/3

-3/2

0

If distance between (a,2) and (0,0) is 2 then a = _______

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0

2

4

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If A is skew Hermitian Matrix then which of the following is not skew Hermitian matrix

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A2

A5

A3

A7

If G is the centroid of the triangle, then GA +GB+GC=

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0

1

-1

3

The straight lines represented by the equation ax2+ 2hxy +by2 =0 intersects at

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(1,1)

(0,1)

(1,0)

(0,0)

For which of the following ordered pairs (s, t) is s + t > 2 and s - t < -3?

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(3, 2)

(2, 3)

(1, 8)

(0, 3)

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

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Chord

Tangent

Lust rectum

directrix

The number of words that can be formed out of the letters of the word ASSASSINATION is

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Which element is the additive inverse of (a,b) in Complex numbers

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(a,0)

(0,b)

(a,b)

(-a,-b)

Multiplicative inverse of 0 is

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0

1

±1

Does not exist

The maximum value of the quadratic function f(x) = -2x2+20x,is

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4

3

50

7

The square of the distance between two points P(x₁, y₁) and Q(x₂, y₂) is

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5x^{4 + c}

1/6 x⁶+ c

5x²+ c

1/5 x⁶+ c

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The sum of complex number (a,b) and (c,d) is

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28 / 81

28 / 243

81 / 28

243 / 82

If n is a positive integer then n! is

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(n - 1) (n - 2) .....3,.2.1

n(n - 1) (n - 2) ...3.2.1

n(n - 1 ) ( n -2) ... 3

None of these

Which of the following is a quadrantal angle

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30°

45°

60°

90°

a >b, b >c ⇒a >c is a

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Multiplicative property

Additive property

Trichotomy property

Transitive property of inequality

The number of non zero rows in echelon form of a matrix is called

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Order of matrix

Rank of matrix

Row operation

None of these

If the vertex of the parabola is the origin and directrix is x+5 = 0 . then its latus rectum is:

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10

5

0

20

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The series obtained by adding the terms of an arithmetic sequence is called the

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Infinite series

Harmonic series

Geometric series

Arithmetic series

In a class of 100 students, 60 drink tea, 50 drink coffee and 30 drink both. A student from his class is selected at takes at last one of 2 drinks is

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2 / 5

3 / 5

4 / 5

None of these

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