Question # 1

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ad + cb = 0

ad = -bc

ad = bc

ab = cd

The Symbol used for (1--------1) Correspondence is:

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________

The right bisectors of the sides of an obtuse triangle intersects each other:

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Inside the triangle

Outside the triangle

On hypotenuse

On any vertex

_______ of rectangle are congruent:

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Diagonals

Heights

Bases

None of these

The __________ of a triangle is the part of the plane enclosed by the triangle:

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Exterior

Attitude

Interior

Perpendicular

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Two lines can intersect only at --------- point:

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1

2

3

4

What will be added to complete the square of 9a²-12ab ?

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-16b²

16b²

4b²

-4b²

Two lines intersects at ___________ points.

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No

One

Two

Three

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Equality

Multiplication

Division

Cancellation

A line segment has ________ mid points:

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1

2

3

4

Sum of the roots of the equation 3x²-5x+7=0:

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5+3

5³

The circumference of a circle is called:

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Tangent

Chord

Boundary

Segment

Solution set of equation 5x²-125 = 0 is:

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{5}

{10}

{-5}

The distance of a point inside the circle from its centre is ______ than the radius:

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Greater

Equal

Shorter

Less

Which of the following is associative law of union?

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A∪ (B ∪ C) = (A∪ B)∪ C

A∩ (B∩C)= (A∩B)∩C

A∪ (B∩ C) = ( A∪ B)∩ (A∪ C)

A∩(B∪ C) = (A∩B)∪(A∩C)

In a cumulative frequency Polygon frequencies are plotted against:

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Mid points

Upper class boundries

Class limits

A part of the circumference of a circle is called:

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A segment

A sector

An arc

A radius

1+tan²θ =.................

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Sin²θ

Cos²θ

Co Sec²θ

Sec²θ

The square of standard deriation :

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Standard deriation

Range

Dispersion

Variance

Sec²θ__________________

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1-Sin²θ

1-tan²θ

1 + Cos²θ

1-tan²θ

If two cords of a circle (of of congruent circles) are equal, then their corresponding arcs (minor, major or semi circular) are:

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Proportional

Equal

Congruent

Bisecting chords

Graphs of trigonometric function within their domains are:

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line segments

sharp corners

broken lines

smooth curves

If f(x) = arccos x, then:

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a is an element of a set A

a is subset of A

a is a whole number

a contains A

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scalar matrix

diagonalmatrix

lower triangularmatrix

upper triangularmatrix

2 sin 12° sin 46° =

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cos 34° + cos 58°

sin 34° - sin 58°

sin 34° + sin 58°

cos 34° - cos 58°

In a right isoceles triangle, one acute angle is:

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30°

45°

60°

75°

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Multiplicative inverse of -i is:

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i

-i

1

-1

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3×3

3×2

2×1

2×3

Infinite number of lines can pass through:

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One point

Two points

Three points

Four points

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Integration

Integration w.r.t.x.

Differentiation

Differentiation w.r.t.x

The focus of the parabola x² = 4ay:

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(0, a)

(-a , 0)

(0, -a)

(a, 0)

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0

1

-1

2

The vertex of the parabola x² = 4ay is:

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(-a, 0)

(0, a)

(0, -a)

(0, 0)

If a = 0, then the line ax + by + c = 0 is parallel to:

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y - axis

x - axis

along y - axis

None of these

The directrix of the parabola x² = -4ay is:

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x = a

x = -a

y = a

y = -a

The pair of lines of homogeneous second-degree equation ax² + 2hxy + by² = 0 are real and coincident, if:

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h² < ab

h²> ab

h²= ab

None of these

The derivative of x with respect to y is given by:

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If s is the distance traveled by a body at time t, the velocity is given by the expression:

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If equation of circle is (x - h)² + (y - k)² = r², then center of a circle:

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(-h, -k)

(h, k)

(-h, k)

(h, -k)