Question # 1

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

n(n - 1) (n - 2) in factorial form is

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Sec 30° = ______

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x = -1 is in the solution of the inequality

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x + 5 < 0

2x + 3 < 0

x > 0

2x + 3 > 0

The distance between the points (2,3) and (3,2) is

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5

2

10

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The third term of a G.P. is 4, The product of first five terms is

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43

45

46

None of these

The function whose range consists of just one element is called

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One-One Function

Identity Function

Onto Function

Constant Function

Sin-1 [-1/2] = ______.

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∏/3

-∏/6

-∏/3

∏/6

The set { {a,b} } is

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{X/X∈ A∧x ∈ U}

{X/X∉ A∧x ∈ U}

{X/X∈ A and x ∉ U}

A-U

Domain of Cosecθ is

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is R but θ= nπ

is R but θ ≠ nπ

is R but θ ≠ 2nπ

is R but θ ≠ nπ/2

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

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10

20

12

1

The number of real roots in cube roots of 8 is ?

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n x m

m x n

km x n

m x kn

The statement that a group can have more than one identity elements is

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True

False

Fallacious

Some times true

2/(x+1)(x-1) = A/x+1 + B/x-1 corresponds to

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α = b/a and β = ca

α = a/b and β = -c/a

α² + β² = 1

α = -b/a and β= c/a

How many elements are in the sample space of two rolling dies

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6

12

18

36

A sequence of numbers whose reciprocals forms an arithmetic sequence is called

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Harmonic series

Arithmetic series

Harmonic sequence

Geometric sequence

Let A, B, and C be any sets such that A∪B=A∪C and A∩B=A∩C then

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A ≠ C

B = C

A = B

A ≠ B

Cos 315° =

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0.707

0.5

1

0

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