Question # 1

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M

O

-M

I

Every real number is also a complex number with imaginary part as ______

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1

b

O

10

The symbol used for parallel is ________:

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Two triangles are said to be congruent if all the three sides and angles are _______:

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Equal

Congruent

Concurrent

Similar

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0

0.4343

infinity

1

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6cm²

16cm²

8cm²

4cm²

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16cm²

12cm²

8cm²

20cm²

A triangle in which two sides are equal in length is called _______ triangle:

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Isosceles

Scalene

Right angled

Equilateral

Mid-point of the points B (-1,1) and A (2,5) is:

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(1,6)

(3,7)

The bisectors two angles on the same side of a parallelogram cut each other at _________ angles.

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Obtuse

Right

Straight

Acute

Find m so that 9a²-12ab + m is a complete square :

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-16b²

16b²

-4b²

4b²

Arithmetic mean is a measure that determines a value of the variable under study by dividing the sum of all values of the variable by their:

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Number

Group

Denominator

The standard form of quadratic equation is:

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x²+6=7x

x²-7x=6

7x+6=x²

x²-7x+6=0

A line intersecting a circle is called:

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Tangent

Secant

Chord

A grouped frequency table is also called:

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Data

Frequency distribution

Frequency Polygon

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The formula of grouped data of the arithmetic mean is:

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X̅ = ∑X/n

X̅ = A + ∑fX/∑X

X̅ = ∑fX/n

X̅ = l +n/f (n/2 - c)

In a cumulative frequency polygon freqncies are plotted against.

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Midpoints

Upper class boundaries

Class limits

Frequency

The Range of R is, if R = {(1,3),(2,2),(3,1),(4,4)}.

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{1,2,4}

{3,2,4}

{1,2,3,4}

{1,3,4}

N∩ W = ..................

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∅

{∅}

N

W

The length of two common tangents to two circles are _____ to each other:

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Perpendicular

Equal

Parallel

Un-equal

A'=_____________

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{x|x∈U^x∉A}

{x|x∈U^x∈A}

{x|x∉U^x∈A}

{x|x∉U^x∉A}

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x-axis

y-axis

y = x

y = -x

cos (α-ß) =

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cos α cos ß + sin α sin ß

cos α cos ß - sin α sin ß

cos α cos ß + sin α cos ß

sin α cos ß - sin α sin ß

If, for all x in the domain of f, there exists a smallest positive number p such that f (x+p) = f(x), then p is the:

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period of f

period of 2f

period of 3 f

period of 4 f

The other name of quadratic equation is:

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linear equation

1st degree equation

2nd degree equation

none

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a + c = b + d

a + b = c + d

a - b = c - d

None of these

Four fourth roots of 625 are:

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±5,±5i

±5,±25i

±25,±25i

none of these

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Modulus of 15 i + 20 is:

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20

15

25

none of the above

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1

0

2

3

Graphs of trigonometric function within their domains are:

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line segments

sharp corners

broken lines

smooth curves

If the sum of the roots of ax² - (a + 1) x + (2a + 1) = 0 is 2, then the product of the roots is:

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1

2

3

4

x = 2 is a vertical line perpendicular to _____________:

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x - axis

x - axis may be

y - axis

None of these

The axis of the parabola y² = -4ax is:

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x = a

x = 0

y = a

y = 0

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c

0

1

-c

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x = a

for all x

x = 0

The vertex of the parabola y² = 4ax is:

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(-a, 0)

(a, 0)

(0, -a)

(0, 0)

Let f(x) = x², real valued function then domain of f is the set of all:

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Real numbers

Integers

Positive numbers

Natural numbers

If the lien l is parallel to y-axis, then the slope of l is ----------------.

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0

1

-1

undefined

A chord containing the center of the circle is called ______ of the circle:

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Diameter

Chord

Radius

None of these

The graph of the parabola y² = -4ax is symmetric about:

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x-axis

major axis

y-axis

minor axis

Cosh² x - Sinh² x =

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1

-1

2

-2

If the radius of a circle is zero, then the circle is called a / an:

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Circle

Circular cone

Ellipse

Point circle