Question # 1

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Maximum value of z =15x +20y subject to 3x+ 4y≤ 12,x,y≥ 0 is given by

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46

60

50

70

{1, 2, 3} is _____

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an infinite set

A finite set

A singleton set

Universal set

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1

0

-2

3

Let a₁, a₂, a₃, a₄and a₅be such that a₁, a₂, and a₃are in A.P., a₂, a₃and a₄are in G.P and a₃, a₄and a₅are in H.P. Then, a₁, a₃and a₅are in

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G.P.

A.P.

H.P.

None of these

What is the number of elements of the power set of { }

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0

1

2

3

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additive property

multiplicative property

additive inverse

additive identity

3/4 is ______

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An odd number

An even number

A natural number

A rational number

3x + 4 < 0 is

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inequality

equation

identity

not inequality

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π / 3

π / 4

π / 6

0

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None of these

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4x + 1

4x

2x³

none of these

Minor of an element a_ijis denoted by

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M_ij

A_ij

|A|

None of these

Find the geometric mean between 4 and 16

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Reflexive property

Symmetric property

Transitive property

Additive property

The set of ordered pairs (x,y) such that ax+ by < c, and (x,y) such that ax + by>0, are called

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Linear Inequalities

Feasible regions

Half planes

Boundary

(x + 2)²= x²+ 4x + 4 is

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A linear equation

A cubic equation

A quadratic equation

None

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cosec x + c

-cosec x + c

-sec x + c

sec x + c

Range of cosθis

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The corner point of the boundary lines, x- 2x

x+2y=10 is:

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(8,1)

(1,8)

(6,10)

(3,5)

The set (Z, +) forms a group

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Forms a group w.r.t addition

Forms a group w.r.t multiplication

Non commutative group w.r.t multiplication

Doesn't form a group

The value of x and y when (x + iy)2 = 5 - 4i

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x = 2, y = -1

x = -2, y = 1

x = 2, y = -i

x = 2, y = 2

Second derivative of y = x⁹+ 10x²+ 2x - 1 at x = 0 is

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10

20

12

1

If you are looking someone on the ground from the top of a hill the angle formed is called angle of _______;

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Elevation

Depression

Right angle

None off these

Sin -1 x=

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sin(π/2-x)

Sin-1 (π/2-x)

π/2-cos-1x

π/2 + cos-1x

If the domain of sequence is finite set then the sequence is called

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geometric sequence

infinite sequence

finite sequence

arithmetic sequence

The period of 2 cos x is

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30π

7π

5π

2π

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The fifth term of the sequence a_n= 2n + 3 is ______

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13

-13

8

3

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