Question # 1

for n€ N, 3^{2n + 7 is divisible by}

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7

8

9

10

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x³- x²+ x + c

6x - 2 + c

x³- 2x + c

If x - 1 is a factor of x4 - 5x2 + 4 then other factor is

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(x + 2)2(x - 1)

(x + 2)(x - 1)2

(x+2)(x2- x- 2)

(x + 2)2(x - 1)2

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

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2n

n²

n/2

2ⁿ

For each real number, there is a number which is its

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Negative

Possitive

Opposite

Similar

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0

1

-A

-1

Inequalities have ______ symbol

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2

3

4

1

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I andII quadrants

II andIII quadrants

II andIVquadrants

none of these

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If a set S contains n elements then P (S) has ........ number of elements

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2ⁿ

2ⁿ²

2.n

n²

For an A.P common difference d

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Can be zero

May or may not zero

Cannot be zero

None of these

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a sec(ax + b) + c

- a sec(ax + b) + c

cos(a +β)-cos(a-β) = _______;

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2cosa cosβ

2sina cosβ

-25 in a cosβ

-2sin a sinβ

f(x) = sin x + cos²x is

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trigonometric function

algebraic function

exponential function

logarithmic function

Let A be a square matrix. Then, 1/2 (A-A') is

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Skew-symmetric

Symmetric

Null

None of the above

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Diagonal matrix

Scalar matrix

Triangular matrix

Identity matrix

The slope of the tangent at the point (h,h) of the circle x2 +y2 =a2 is

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0

1

-1

h

The minimum value of the quadratic function f(x) = x2 +6x -2, is

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11

6

-11

13

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One degree is denoted by

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1⁰

1'

1"

1 rad

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[0, 0, 0]

[1, 0, 0]

[0, 1, 0]

[0, 0, 1]

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The eccentricity of the parabola y²= -8x is

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-2

2

-1

1

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x = 3

x = 1/5

x = 0

None of these

There are 25 tickets bearing number from 1 to 25. One ticket is drawn at random. The probability that the number on it is a multiple of 5 or 6 is

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7 / 25

9 / 25

11 / 25

None of these

For trival solution |A| is

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A

|A| is non zero

A = 0

None of these

The angles with some initial and terminal sides are called

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Quadrantal angles

Coterminal angles

Allied angles

None

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(1, 3)

(-1, -3)

(1, -3)

(-1, 3)

If a cone is cut by a plane perpendicular to the axis of the cone, then the section is a

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parabola

circle

hyperbola

ellipse

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