Question # 1

Which of the following is associative law of union?

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A∪ (B ∪ C) = (A∪ B)∪ C

A∩ (B∩C)= (A∩B)∩C

A∪ (B∩ C) = ( A∪ B)∩ (A∪ C)

A∩(B∪ C) = (A∩B)∪(A∩C)

By definition, which of the following is a set?

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{a,b,c,d}

{1,2,3,2}

{l,m,n,o}

{0,1,2,3,1}

If A has two elements and B has 3 elements, then number of binary relations in A x B is __________

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2 x 3

2³

2⁶

2²

If a circle passes through three or more paints then these points are called:

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Incyclic

Concyclic

Circumcyclic

Bicyclic

The straight line that bisect the circle is called:

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Sector

Radius

Diameter

Segment

A single fraction which is the simplified from of two or more than two fractions is called:

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Proper fraction

Improper fraction

Rational fraction

Resultant fraction

A circle has only one:

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Secant

Chord

Diameter

Centre

The length of two common tangents to two circles are _____ to each other:

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Perpendicular

Equal

Parallel

Un-equal

The solution set of equation 4x²-16=0 is:

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{4}

The ratio of 1km to 600m is:

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1 : 6

5 : 3

3 : 2

2 : 1

If f is a function from A to B, then f is one - one 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.

Angles between 0^o and 90^o are to which quadrant?

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I

II

III

IV

Co sec 60^o = ...................

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1/2

√3/2

2

2/√3

If a : b = c : d, then b : a = d : c is called theorem of:

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Invertendo

Alternando

Dividendo

Componendo

The symbol used to denote a second is:

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1°, 1'

1°

1"

1'

Tangents drawn at the ends of diameter of a circle are _______ to each other:

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Parallel

Non parallel

Collinear

Perpendicular

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