Question # 1

To resolve rational fraction, multiply both sides by:

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H.C.F

An even, number

L.C.M

An odd number

If x∈ U and x∉ A, then {x} is equal to ....................

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U^c

A^c

∅^c

A - U

A circle of any radius can be constructed by rotating a compass about:

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A chord

An arc

The straight line

A fixed point

The positive square root of mean of the squared deviations of x_i(i=1, 2---------------------,n) observations from their arithmetic mean is called:

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Harmonic mean

Range

Standard deviation

In a circle, the tangents drawn at the ends of a chord make equal _with that chord

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square

angle

cube

circle

The quadratic formula is:

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The relation {(1,2),(2,3),(3,3)(3,4)} is.

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Onto function

Into function

Not a function

One-One function.

A tangent is perpendicular to the radius of a circle at its point of:

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Tangent

Touch

Contact

Meet

A frequency polygon is a many sided:

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Closed figure

Rectangle

Square

In equation ax²+bx+c=0, a and b are:

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Constants

Co-efficients

Variables

Factors

The average pocket money of 30 students is Rs.20/- , The total amount in the class is:

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Rs.20/-

Rs.30/-

Rs.300/-

Rs.600/-

The product of roots, of equation 5x²+(7-2m) x + 3 = 0 will be:

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The set having only one element is called:

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Null set

Power set

Singleton set

Subset

Identify the equation whose roots are imaginary and unequal:

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2x²-x+1=0

x²+8x+16=0

3x²+4x+2=0

x²-7x+7=0

If b²-4ac > 0 and is not a perfect square, then roots are:

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Rationaland unequal

Irrationaland equal

Rationaland equal

Irrationaland unequal

How many tangents can be drawn from a point outside it ?

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1

2

3

4

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