Question # 1

The _______ of a right angle triangle is longer than each of the other two sides:

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Hypotenuse

Base

Perpendicular

None of these

Diagonals of a parallelogram _______ each other at a point:

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Attract

Repell

Intersect

None of these

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-8

-4

-2

HCF of x²-5x+6 and x²-x-6 is:

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x-3

x+2

x²-4

x-2

Factors of 25x²+16a²+40x

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5x+4

(5x+4)²

(5x+4)(5x-4)

(5x-4)²

a^m.aⁿ = a^m+nis ________ law of exponents.

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Sum of powers

Power of fraction

Power of power

Law of quotient

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12

-6

9

6

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Polynomial means an expression with:

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Two

Four

Many

No term

A surd which contain a single term is called _______ surd.

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Trinomial

Monomial

Binomial

Rational

Standard deviation is denoted by

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x

S

S²

X²

The radius of incricle is called:

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In-radius

Escribed radius

E-radius

Radius

median from the data 82,93,86,92 and 79 is.................

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82

86

92

93

An arc substends a central angle of 40° then corresponding chord will substend a central angle of ________:

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20°

40°

60°

80°

__________ Common tangents can be drawn for two touching circles:

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2

3

4

5

Tangents drawn at the ends of _______ of a circle are parallel to each other:

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Chord

Diameter

Corners

Arc

The expression "b²-4ac" of a quadratic equation is called:

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Determinant

Redicand

Discriminant

Index

Pi radians is equal to:

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150°

160°

180°

240°

If b²-4ac < 0, then roots are:

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Unreal

Imaginary

Real

Unequal

360 degrees make 4 _________ angles:

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Obtuse

Right

Acute

Supplementary

The measure which determines the middle-most observation in a data set is called:

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Median

Mode

Mean

No. of arrangements can be made of 4 letters a, b, c, d taken 2 at a time ?

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8

12

10

14

A triangle which is not right angle triangle called ________ triangle:

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acute

obtuse

right

oblique

Factors of x² + y² are:

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(x + iy) (x - iy)

(x + y) (x - y)

(x + y) (x + y)

none

The period of sin 2x is:

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π

2π

3π

A numbers exceeds its square root by 6, the number is:

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6

3

9

none of these

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5

-5

-4

4

Sum of roots of ax² + bx + c = 0 is equal to product of roots only if:

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a+c=0

b+c=0

a+b=0

a+b+c=0

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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

No. of triangles can be formed by joining the vertices of the polygon having 12 sides ?

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202

220

110

none of these

The number of radius in the angle subtended by an arc of a circle at the center =

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radius × arc

radius - arc

If f(x) = arccos x, then:

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If y is an image of x under the function f, we denote it by:

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x = f(y)

x = y

y = f(x)

f(x, y) = c

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2

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0

1

2

4

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

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Positive

Negative

Zero

undefined

X-co-ordinate of centroid of triangle ABC with A(-2, 3); B(-4, 1); C(3, 5) equals:

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-1

1

3

-3

The region of the graph ax + by > c is called ______ half plane:

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Open

Boundary of

Closed

None of these

The inequality y > b is the open half plane to the ______ of the boundary line y = b:

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Above

Left

Below

Right

The equ. of directrix of the parabola y² = -4ax is:

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x = a

x = - a

y = a

y = -a

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tan x

cot x

- tan x

- cot x

Inclination of Y-axis or of any line parallel to Y-axis is:

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Zero

Undefined