Question # 1

The symbol for a triangle is denoted by:

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Rational number

Irrational number

Natural number

Real number

A central angle is subtended by two radii with the vertex at the ______ of the circle:

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Arc

Radius

Centre

Chord

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3π/2 Radian =__________________

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30^o

135^o

180^o

270^o

If f is a function from A to B, then f is onto function if:

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Range f≠ A

Range f = B

Dom f = A

Second element of all ordered pairs contained in f is not repeated.

The nature of the roots of equation ax²+bx+c=0, is determined by:

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Sum of the roots

Product of the roots

Synthetic division

Discriminant

A line which has two points in common with a circle is called:

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Sine of a circle

Cosine of a circle

Tangent of a circle

Secant of a circle

The number of elements in power set {1,2,3}:

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4

6

8

9

Locus of a point in the plane equidistant from a fixed point is called:

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Radius

Circle

Circumference

Diameter

The distance of any point of the circle to its centre is called:

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Radius

Diameter

A chord

An arc

The nature of the root of equation x²-5x+5=0

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Rationaland equal

Irrationaland unequal

Irrationaland equal

Rationaland unequal

How many tangents can be drawn from a point outside the circle ?

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1

2

3

Variance is denoted by...........................

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V

S

S²

X

Mean is affected by change in ..........

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Place

Scale

Rate

None of these

A line intersecting a circle is called:

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Tangent

Secant

Chord

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