Question # 1

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Orthogonal

Involutary

Idempotent

Nilpotent

A matrix in which the number of rows is equal to the number of columns is called a

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Diagonal matrix

Rectangular matrix

Square matrix

Scalar matrix

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4

3

2

1

If S = {3,6,9,12.......}, then

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S = Four multiples of 3

S = Set of even numbers

S = Set of prime numbers

S = All multiples of 3

If f(x) = tan x then f(0) is

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0

1

1/2

If f(x) = x²then f(0) is

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0

1

2

none of these

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If f(α) = b2 and g (c) =d where c=b2 then (gof)(a) is

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α

c

b

d

The maximum value of 12 sinθ-9 sin²θis x

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3

4

5

None of these

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-1

0

1

None of these

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parallel vectors

perpendicular vectors

concurrent vectors

collinear vectors

The 10th common term between the series 3+7+11+....... and 1 + 6 +11 + ....... is

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191

193

211

None of these

The system of measurement in which the angle is measured in degrees, minutes and seconds is called the

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circular system

CGS system

sexagesimal system

none of these

The direction cosines of y-axis are

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1, 0, 0

0, 1, 0

0, 0, 1

1, 1, 1

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Right angled

Obtuse angled

Isosceles

Equilateral

If the intersection of two sets is non-empty, but either is a subset of other are called

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Disjoint sets

Over lapping

Equal sets

None of these

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cos 2x + c

- cos 2x + c

tan 2x + c

cot 2x + c

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a-b=ab

ab=a

a+b=ab

xy= 2 is:

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a constant function

an identity function

an improper function

implicit function

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A onto B

both a & c

A into B

none of these

(x³-1/2x)⁶is

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15/16 x²

2/13 x²

17/7 x²

16/15 x²

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- cos x

sin x

- sin x

sec x

sin 3a = ______;

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3sin a - 4sin3a

4sin a -3 sin3 a

3 cos3 a -cosa

4cos3 a - 3cos a

The equation of the tangent at vertex to the parabola is y2 = -8(x -3)

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y=0

x=3

x=1

x=5

If A is an event then which of the following is true

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P(A)<0

0≥P(A)≤1

P(A)>0

None

Empty set is

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Not the member of real numbers

Infinite set

Finite set

Not subset of every set

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An upper triangular matrix

A lower triangular matrix

A diagonal matrix

A null matrix

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