Question # 1

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A parallelogram is divided by its diagonals into triangles of equal area

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1

2

3

4

A solution to a linear equation in any replacement or substitution for the variable x that makes the statement ____________.

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True

False

Open

Inequality

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M

O

-M

I

Let A,B,C be three matrices, then A(B+C) = AB + AC is known as:

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Cumulative property w.r.to '+'

Associative property w.r.t '+'

Left distributive law

Right distributive law

Ratio, (img) as comparison of two _______ quantities:

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Different

Alike

Unlike

None of these

Point (-5,3) lies in quadrant:

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I

II

III

IV

The point of concurrency of three perpendicular bisector of triangle is alled__________:

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Orthocenter

Centrroid

Incenter

Circumcenter

Common logarithms are also known as ___________ lograthims:

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Naperian

Khwarizmian

Jobst Burgi's

Biggesian

A triangle having two sides congruent is called__________:

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Scalene

Right angled

Equilateral

Isosceles

_________ altitudes of equilateral triangle are congruent:

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One

Two

Three

Four

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The reciprocal of Arithematic mean of reciprocal of values is called:

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Average

Harmonic mean

Geometric mean

None of these

If b²-4ac>0 and is a perfect square, then roots are:

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Rational and equal

Rationaland unequal

Irrationaland equal

Irrationaland unequal

1/tanθ =............

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tanθ

Secθ

Co secθ

Cotθ

Angle inscribed in a semicircle is always:

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90°

60°

120°

360°

The medians of equiangular triangles are proportional to their corresponding:

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Sides

Angle

Point

Altitude

1+Cot² θ

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Sin²θ

Cos²θ

Cosec² θ

Sec²θ

Sin²θ +Cos²θ =..................

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tan²θ

Cos²θ

1

0

The circumference of a circle is called:

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Tangent

Chord

Boundary

Segment

The area of a circle is:

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Proper fraction

Improper fraction

Irrational fraction

Rational fraction

In any triangle ABC, law of sines is:

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A

B

No. of signals made by 5 flags of different colors using 3 flags at a time is:

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60

15

10

None

The multiplicative identity of real numbers is:

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0

1

2

-1

The order of a matrix is shown by:

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number of columns + number of rows

number of rows × number of columns

number of columns - number of rows

Conjugate of a + i b is:

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-a + ib

a + ib

-a - ib

a - ib

If A is a square matrix, then:

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|A^t| = A

|A^t| = -A

|A^t| = |A|

A^t= A

If A is a matrix of order m × n and B is a matrix of order n × p then the order of AB is:

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p×m

p×n

n×p

m×p

The additive inverse of a matrix A is:

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A

A^-1

- A

A²

Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn bears a number which is a multiple of 3 ?

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none of these

The period of 2 - sin 3x is:

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