Question # 1

If a²+b²=c²then triangle is called:

Choose an answer

Acute

Right angled

Obtuse

Scalene

Who used 'e' as the base for the preparation of logarithm tables.

Choose an answer

Henry Briggs

Jobst Burgi

Musa Al Khawrizmi

John Napier

The right bisector of the sides of a right triangle intersect each other ______:

Choose an answer

Inside the triangle

Outside the triangle

On hypotenuse

None of these

The bisectors of the angle of triangle are:

Choose an answer

Equal

Perpendicular

Equal distance

Concurrent

Every surd is ______ number:

Choose an answer

Rational

Whole

Natural

Irrational

The S.S of |x-4| = -4 is:

Choose an answer

-8⁴

8

-16

{ }

The __________ bisector of an angle of a triangle divides the sides in the same ratio then it is the ratio of the lengths of the sides containing the angles:

Choose an answer

Internal

External

Perpendicular

None of these

Choose an answer

5

1/2

7

1/7

The knowledge of construction of different triangles, rectangles, square etc is very useful in:

Choose an answer

Wood - Working

Graphic art

Metal trade

All of these

Similar triangles are of the same shape but _________ in sizes:

Choose an answer

The same

Different

Both a and b

None

(a+b)²+(a-b)² =

Choose an answer

4ab

a+b

2(a²+b²)

ab

In which quadrant 0 lie when Sinθ<0,Secθ<0?

Choose an answer

I

II

III

IV

The distance of a point outside the circle from its centre is _________ than the radius:

Choose an answer

Less

Equal

Greater

None of these

Cot 60^o=________________

Choose an answer

1/√3

√3

1/2

2

The centre of incicle is called:

Choose an answer

Origin

Incentre

Centre

Fixed point

Which of the following is associative law of union?

Choose an answer

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)

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

Choose an answer

Rational and equal

Rationaland unequal

Irrationaland equal

Irrationaland unequal

The tangent to a circle and the radial segment joining the point of contact and the __________ are perpendicular to each other:

Choose an answer

Chord

Centre

Tangent

Arc

1/2 Cosec 45^o = ___________________

Choose an answer

1/2√2

1/√2

√2

√3/2

The discriminant of quadratic equation is:

Choose an answer

b²-4ac

-b²+4ac

∑▒〖(x-〗 x ̅)=………….

Choose an answer

0

1

-1

2

The point (-5,-7) lies in ........ quadrant.

Choose an answer

I

II

III

IV

With usual notations for triangle R equals:

Choose an answer

In a triangle ABC if a² - b² + c² = ac then < ß =

Choose an answer

The amplitude and period of 3 sin x are:

Choose an answer

3, π

2, 2π

3, 3π

3, 2π

In a triangle if α > 45°, ß > 30° then Γ cannot be:

Choose an answer

90°

100°

120°

10°

Choose an answer

The disjunction of two statements p and q is denoted by:

Choose an answer

A - B is a subset of:

Choose an answer

A

B

If A = {1, 2, 7, 9}, B = {1, 4, 7, 11}:

Choose an answer

disjoints sets

equal sets

overlapping sets

complementary sets

Choose an answer

None

The period of sec x is:

Choose an answer

A set can be described by:

Choose an answer

one way

two ways

several ways

threeways

Gottfried Whilhelm Leibniz was a (an) ----- mathematician:

Choose an answer

German

English

Swiss

French

Choose an answer

Let f(x) = cos x, then f(x) is an:

Choose an answer

Even function

Odd function

Power function

None of these

A line segment whose end points lie on the circle is called a __________ of the circle.

Choose an answer

Radius

Chord

Diameter

None of these

A scalar quantity is one that possesses only :

Choose an answer

Magnitude

Direction

Both a and b

None of these

y - y1 = m ( x - x1) is the equation of straight line in:

Choose an answer

Slope-intercept from

Point-slope from

Normal form

Intercepts form

Choose an answer

Free vector

Unit vector

Null vector

None of these

ax + by + c = 0 has matrix from as:

Choose an answer

|ax + by| = |-c|

[ax + by ] = [c]

[ax - by] = [-c]

The graph of the parabola x² = -4ay is symmetric about:

Choose an answer

x-axis

major axis

y-axis

minor axis

Which of the following is not a vector quantity ?

Choose an answer

Weight

Mass

Force

Velocity

Choose an answer

One variable

Three variable

Two variable

Four variable