Question # 1

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0

1

-1

none of these

Roots of the equation x²+ 7x + 12 = 0 are

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{3, -4}

{-3, 4}

{3, 4}

{-3, -4}

√11 is

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an irrational number

Rational number

odd number

Negative number

The domain of f(x) = log x is

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[0,∞]

(0,∞)

[0,∞[

[∞,∞]

If p and q are two statements then their biconditional 'p if q' is denoted by

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The number of proper subset of A ={a.b.c.d} is

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3

6

8

15

Which of the following is a vector.

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work

time

density

electric field

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I quadrant

II quadrant

III quadrant

IV quadrant

The numbers of G₁, G₂, G₃...... G_nare called n geometric means between a and b is a, G₁, G_2,G₃, ... G_n, b are in

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H.P.

A.P.

G.P.

None of these

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For two vector a and b, a+b = _______

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a b

b+a

b-a

None

Two tangents drawn from (2,3) to the circle x2+y2 =9 are

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Real and distinct

Imaginary

Real and coincident

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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for n€ N, 3^{2n + 7 is divisible by}

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7

8

9

10

x = sin^-13, then the value of sin x is

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√(3/2)

3

Not possible

-1

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

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Range of cosecθis

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W - {y | -1 < y < 1}

R - {y | -1 < y < 1}

O - {y | -1 < y < 1}

R

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The point lying on the terminal rat of -270° is

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(1,0)

(0,-1)

(0,1)

(-1,0)

i²=

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1

2

-1

0

Graph of the question x²+ y²= 4 is

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A circle

An ellipse

A parabola

A square

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Symmetric property

Cancellation property w.r.t. multiplication

Reflexive property

Transitive property

If the angle between two vectors with magnitude 2 and 15 is 30°then their scalar product is

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15

30

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2 x 2

2 x 3

3 x 2

3 x 3

Express the perimeter P of square as a function of its area A?

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P = 4√A

P =√A

P = 2A

P =π√A

∛8.6 is approximately equal to

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2.488

2.48

2.0488

2.05

Area of the circle with ends of a diameter at (-3,2) and (5,-6)

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128π sq. units

64π sq. units

32π sq.units

None of these

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