Question # 1

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(a-b)2

(a+b)2

a+b

a-b

The point of concurrency of the three altitudes of a triangle is called:

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Centroid

Orthocenter

Circumcentre

Incentre

The product of (x+y)(x-y)(x²+xy+y²) is:

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x⁶+y⁶

(x+y)⁶

(x+y)²(x-y)²

x^6-y⁶

Factors of 8x3+27y3 are:

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(2x+3y),(4x2+9y2)

(2x-3y),(4x2-9y2)

(2x+3y),(4x2-6 xy+9y2)

(2x-3y),(4x2+6 xy+9y2)

Bisectors of angles formed with any one side of a Parallelogram intersect each other at angle _________:

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15°

30°

60°

90°

Aurther Cayley introduces theory of matrices in:

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1854

1856

1858

1860

The hypotenuse of right angle triangle is ______ than each of the other two sides:

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Half

Double

Shorter

Longer

A point equidistant from the end points of a line-segment is on its___________:

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Bisector

Right-bisector

Perpendicular

Median

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-2/5

2/5

5/2

Diagonals of a parallelogram divide the parallelogram into ________ congruent triangles.

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Two

Three

Four

Five

Difficult and complicated calculation become easier by using:

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Matrices

Logarithms

Triangles

None of these

A rectangular region can be divided in two or more trianglar regions by _____ ways:

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One

Two

Three

Four

Which of the following sets have the Closure Property w.r.t addition.

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{0}

{0, -1}

{0,1}

The symbol used for angle is:

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Set of Rational numbers in set builder notation:

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None of these

A matrix is called a row matrix if it has only one _________:

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Column

Row

Diagonal

None

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