Question # 1

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100x ⁹⁹

100x ¹⁰¹

-99x ⁹⁹

-100x ¹⁰¹

Cos 60° = ______

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1

2

1/2

3

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

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General term

Common ratio

Common difference

None of these

A polynomial of arbitrary degree

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f(x) = o

f(x) = x

f(x) = a

f(x) = ax + b,a ≠ 0

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6

360

120

24

If eccentricity of ellipse becomes zero then it takes the form of

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A parabola

A circle

A straight line

None of these

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If B-A≠φ , then n(B-A) is equal to

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n(a)+n(c)

n(c)-n(a)

n(a)-n(c)

None of these

By expressing sin 125° in terms of trigonometrical ratios, answer will be

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sin 65° = 0.9128

sin 55° = 0.8192

sin 70° = 0.5384

sin 72° = 0.1982

There are two middle terms in the expansion of (a+x)n if n is

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Even +ve integer

+ve integer

Odd +ve integer

All

The points A(3,1),B(-2,-3),C(2,2) are vertices of an (an)

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Right triangle

Equilateral triangle

Isosceles triangle

Scalene triangle

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none of these

Latus rectum = 4 x ______________

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focal distance of the vertex

Chord

Focus

1/2

If A = |aij| is (m x n) matrix then transpose of A is of the order

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m x m

m x n

n x n

n x m

The Domain of y = sin x is ______

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Set of real numbers

Rational

Irrational no.

None of above

The square roots of negative numbers is called

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Real no

Complex no

Positive no

Negative no

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n(A)

n(B)

0

1

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A.P.

G.P.

H.P.

None of these

The matrix A = [aij]mxn with m ≠n is always

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Symmetric

Hermition

Skew-symmetric

None

√x = ______ if is a prime number

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Rational no

Natural no

Irrational no

Complex no

The root of the quadratic equation are

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3

2

1

4

What is the period of 5 cot x=?

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π

-π

π/2

2π

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

If sin x + sin²x = 1, then the value of Cos¹²x + 3cos¹⁰x + 3cos⁸x + cos⁶x + 2 cos⁴x + cos²x-2 is equal to

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0

1

2

sin²x

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If y = sin (ax + b), then fourth derivative of y with respect to x =

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a⁴cos (ax + b)

a⁴sin (ax + b)

-a⁴sin (ax + b)

a⁴tan (ax + b)

60° = ______

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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

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