Question # 1

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

Φset is the ______ of all sets?

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Subset

Union

Universal

Intersection

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100x ⁹⁹

100x ¹⁰¹

-99x ⁹⁹

-100x ¹⁰¹

In how many ways can 5 persons be seated at a round table

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5!

4!

3!

120

In R, the multiplicative inverse of a is

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0

1

-a

1/a

f(x) = x is

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trigonometric function

exponential function

quadratic function

identify function

(7, 9) + (3, -5) =

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(4, 4)

(10, 4)

(9, -5)

(7, 3)

∀x,y∈ R and x < 0, y < 0, which one is true

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xy < o

xy = o

xy > o

None of these

The line y = 2 x + c is a tangent to the parabola y²= 16 x if c equals

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-2

-1

0

2

The product of cube roots of unity is

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Zero

1

-1

None of these

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A

A'

U

U'

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