Question # 1

Product of roots of equation 5x²+3x-9=0:

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A quadratic factor is:

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ax²+bx+c

ax+b

Ax+B+c

bx+c

Cos 30^o =.....................

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1/2

√3/2

2

2/√3

Solution set of equation 5x²-125 = 0 is:

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{5}

{10}

{-5}

Which of the following is associative law of Intersection?

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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)

The sum of the squares of the sides of a rhombus is equal to the sum of the squares of its:

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Sides

Diagonlas

Medians

Altitude

The discriminant of x²-3x+3=0 is:

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-3

3

-2

2

To resolve rational fraction, the numerator N(x) must be lower degree than the:

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Quotient Q(x)

Denominator D(x)

Nenomenator N(x)

Polynomian R(x)

O∩ E = ....................

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∅

O

E

Z

Sum roots of 4x²-3x+6=0:

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Cosec²θ-cot²θ =.............

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-1

1

0

tanθ

1° is equal to:

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A.M between x - 3 & x + 5 is __________:

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x + 1

x - 1

2x + 2

none

The probability that a number selected from the numbers 1, 2, 3, 4, 5, ......, 16 is a prime number is:

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π is defined as:

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ration of diameter of a circle to its circumference

ration of the circumference of a circle to its diameter

ration of area of a circle to its circumference

ration of the circumference of a circle to its area

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In binomial expansion of (a+b)n, n is positive integer the sum of even coefficients equals:

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none of these

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p is false and q is true

both p and q are false

p is true and q is false

both p and q are true

With usual notations for triangle R equals:

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If AB = BA = I, then A and B are:

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equal to each other

multiplicative inverse of each other

additive inverse of each other

both singular

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additive property

multiplicative inverseproperty

transitive property

negative property

The point of intersection of internal bisectors of the angles of a triangle is called:

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Centroid

Ortho-centers

Circums-center

In-center

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1

2

3

0

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tan x + c

-tan x + c

sec x + c

-sec x + c

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28

29

ax + b < c is a inequality of:

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One variable

Two variable

Three variable

Four variable

If the degree of a polynomial function is ------------, then it is called a linear function:

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0

1

2

3

The vertex of the parabola x² = -4ay is:

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(a, 0)

(0, 0)

(0, -a)

(0, a)

Which one is a constant function ?

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f(x) = x²

f(x) = x

f(x) = x + 1

f(x) = 14

In the case of rotation of axes which formula is true:

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Perpendicular dropped from the center of a circle on a chord _______ the chord:

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Normal

Bisects

Equal to

None of these

If the inclination of a line lies between ]90°, 180°[, then the slope of line is :

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Positive

Negative

Zero

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