Question # 1

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2x + 3y > 4 is a linear inequality in

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one variable

two variables

three variables

none of these

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How many necklaces can be made from 6 beads of different colours?

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120

60

24

15

Associative law of multiplication

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ab - ba

a(bc) = (ab) c

a(b + c) = ab +ac

(a +b)c = ac + bc

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

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2ⁿ

2²ⁿ

2 . n

n²

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(-1, 2)

(-1, 1)

(1, 2)

{-1}

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k3

0

3k

k6

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A matrix in which the number of rows is not equal to the number of columns is called a

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Diagonal matrix

Rectangular matrix

Square matrix

Scalar matrix

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The straight line passing through the focus and perpendicular to the directrix of the conic is known as its

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Tangent

axis

Focal chord

major or manor axis

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1

2

-1

0

Number of combination of zero or more things out of n different things

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nPn

nPr

nCr

2n

Te order of the differential equation of all conics whose axes coincide with the axes of co-ordinates is

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2

3

4

1

If x = 1/x for x ∈ R then the value of x is

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±1

0

2

4

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The number of permutations of n objects of which there are n₁like of one kind, n₂like of the second kind and n₃like objects of third kind are

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The horizontal distance between the two towers is 60 m. the angular elevation of the top of the taller tower as seen from the top of the shorter one is 30°. If the height of the taller tower is 150 m, the height of the shorter one is

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116 m

200 m

216 m

None of these

πis the period of the function

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|sin x| + |sin x|

sin⁴x + cos x

sin (sin x) + sin (cos x)

None of these

If Z = (1,2), then Z^-1= ?

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(0.2, 0.4)

(-0.2, 0.4)

(0.2, -0.4)

(-0.2, -0.4)

2.333....is a

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Irrational no

Complex no

Rational no

None of these

A Series which does not coverage to a Unique sum is called

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Harmonic Series

Oscillatroy Series

Arithmetic Series

None of these

A function from X to Y is written as

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f : X to Y

f : Y to Y

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Parallel to the plane

At right angles to the plane

Lies in the plane

Meet the plane obliquely

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(-6,4)

(-3,2)

(6,-4)

(3, -2)

The angle of depression of a point situated at a distance of 70 meters from the base of a tower is 45°. The height of the tower is

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70 m

85 m

35 m

None of these

The lines l1and l2intersect. The shortest distance between them is

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Positive

Negative

Zero

Infinity

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