Question # 1

The eccentricity of the parabola y²= -8x is

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-2

2

-1

1

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1

-1

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If A = {x/x is a positive integer and 4≤x<23}, then A=

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{1,2,3,4,5,6,7}

{4,5,6...........22}

{1,2,3,.........23}

{1,2,3,4,5}

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The area between the x-axis the curve y =4x-x2 is :

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32/2

15

18

21

An open sentences formed by using the sign of equality '=' is called ______

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An identity

An equation

A polynomial

None of these

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(2x4)

(2x7)

(2x3)

(7x2)

What is the value of cos-1(1/2)?

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π/3

π/4

3π/2

π/6

The magnitude of vector a 2i-7j is

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√23

√43

3

√53

If all members of a sequence are real numbers then it is called

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A.P

Real Sequence

G.P

None of these

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