Question # 1

For any set X, X∪X is

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15

15i

-15i

-15

The set of all positive even integers is

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Φ

{1,2,3}

{Φ}

{0}

√23 is

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A rational number

A irrational number

An even integer

A factor of 36

Two matrices A and B are conformable for multiplication (AB) if and only if

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Addition

Multiplication

Division

Subtraction

If in isosceles right angled triangle one side is a then hypotenuse is

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a√2

a/2

a

Cannot be determined by given

Sin (2π -θ) =______.

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Cosθ

-Sinθ

-cosθ

The nth term in G.P 3,-6,12,............ is

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25, 20

20, 10

20, 5

15, 10

If Sin θ =Cosθ then θ=

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30°

45°

60°

90°

How many different arrangements of the letters in the word QABABA are Possible?

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720

40

60

30

x is a member of the set {-1,0,3,5} y is a member of the set {-2,1,2,4} which is possible?

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x- y =-6

x -y < -6

x -y > 6

None

If A and B are matrices of same order than (A + B)(A + B)=

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addition

multiplication

subtraction

None

Domain of Y = csc x is

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R - nπ, n ε I

R

R -nπ/2,nεI

All negative Integers

The cube roots of unity ω = -------------------------

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1-i √-3 / 2

-1+i √-3 / 2i

-1+i √3 / 2

1+i √3 / 2

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