Question # 1

A function whose range is just one elements is called

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One-one function

Constant function

Onto function

Identity function

√(-1b) =?

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b i

-i b

b2

i√b

A stationary point x is a relative exterma of y= f(x) is

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f′′ (x) > 0

f′′ (x) < 0

f′′ (x) ≠ 0

f′′(x) = 0

The physical quantity which can be specified by a number alongwith unit is called a

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scalar

vector

constant

none of these

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sin h x

cos h x

sec h x

cosec h x

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If the circumference of a circle is divided into 360 congruent parts, the angle subtended by one part at the centre of the circle is

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1⁰

1'

1"

1 rad

How many terms of the A.P 3,6,9,12,15...........must be taken to make the sum 108

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8

6

7

36

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cos x

sec x tan x

sec²x

-cosec²x

Three points whose position vector a,b,c are collinear

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axb +b x c+ c x a = 0

a,b +b,c +c,a =0

a,|a xc| =0

a+b+c =0

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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

Graph of the question x²+ y²= 4 is

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A circle

An ellipse

A parabola

A square

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cos 2x

2 cos 2x

2 sin2x

-2 cos2x

2π is the period of

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sin𝜽

tan𝜽

cot𝜽

all circular function

If y=sin(ax+b) then y4=________:

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sin4(ax+b)

a4sin(ax+b)

a4cos(ax+b)

None of these

Power set of difference set N-W is

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Empty set

Infinite set

Singleton set

{0,∅}

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z is purely imaginary

a is any complex number

z is real

None of these

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none of these

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If #n = (n-5)²+ 5, then find #3 x #4.

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54

12

4

9

Sin h^-1x = _________

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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

The parametric equations of a circle are

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image

pre-image

constant

none of these

An indicated sum of terms of a sequence is represented by

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Sn

an

S(n)

{Sn}

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A variable

A constant

0

None of these

In R, the multiplicative identity is

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0

1

-1

None

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2

4

3

16

cos 3a =_______;

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3sin a - 4sin3 a

4sin a - 3sin3 a

3cos3 a - 4cos a

4cos3a - 3cos a

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