Question # 1

The point at which the three angle-bisectors of a triangle meet is called:

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circum-center of the triangle

inceter of the triangle

centroid of the triangle

orthocenter of the triangle

The centro id of a triangle divides each one of the medians in the ratio:

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1:1

1:2

2:1

2:2

The volume of a sphere is:

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πr2h

1/3πr2h

4/3πr2h

πr2

A square or a rectangular array of numbers written within square brackets or parentheses in a definite order is called a:

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determinate

diagonal

matrix

row

Median to the equal sides of an isosceles triangle are:

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congruent

equal

similar

unequal

An expression which can be written in the form of P(x)/Q(x , Q (x)≠0, Where P(x) and Q(x) are polynomials in ''x'' is called a:

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irraational expression

rational expression

proper rational expression;

improper rational expression

The altitudes of a triangle are:

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concurrent

collinear

non-collinear

non-concurrent

Any term of an equation may be taken to the other side with its sign changed without affection the equation is called:

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factorization

surd

transposition

transformation

Which matrix is said to be additive identity of any matrix:

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scalar matrix

diagonal matrix

zero matrix

unit matrix

The quadratic form of x - 5/2x= x - 4/3 is:

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2x2 -11x + 15

2x2 - 15x +11

2x2 -22x + 15

2x2 + 11x - 15

What should be added in a2 + 4c to make it a complete square?

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2a

4c2

4c

2c2

Hero's formula is:

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A matrix consisting of only one row is called a:

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row matrix

column matrix

scalar matrix

rectangular matrix

All the altitudes are equal of an:

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rectangle

scalene triangle

isosceles triangle

equilateral triangle

If two matrices have same order and their corresponding elements are equal then they are called:

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equal matrices

unequal matrices

scalar matrices

rectangular matrices

All the altitudes are equal of an:

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rectangle

scalene triangle

isosceles triangle

equilateral triangle

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