Question # 1

To find HCF, we use following method:

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By factorization

By division

Both a and b

None

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

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________

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6

3

-3

-6

Solution of x²= -1 in real numbers:

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-1

+1

Solution does not exist

We can prove a triangle as right angle triangle by ______ theorem:

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Pythagoras

Factor

Remainder

Rotational root

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0

0.4343

infinity

1

A triangle having all sides equal is called:

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None of these

If the capacity c of an elevator is at most 1600 pounds, then ______:

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c < 1600

c > 1600

Factors of 3x²-x-2 are:

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(x+1),(3x-2)

(x+1),(3x+2)

(x-1),(3x-2)

(x-1),(3x+2)

A triangle is formed by ____ non-collinear points______:

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2

3

4

5

The value i¹⁰

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1

-1

i

-i

In an arc of circle substends a central angle 60°, then corresponding chord will make central angle:

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20°

40°

60°

80°

If A= {1,2,3} , B ={4,5} and R+{(1,4),(2,5),(3,4)} then R is __________

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One - one function from A to B

A function A to A

Not a funtion

An onto function from A to B

Through how many non collinear points, a circle can pass ?

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One

Two

Three

None

Which of the following is commutative law?

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A∪ (B ∪ C) = (A∪ B)∪ C

A∩ (B∩C)= (A∩B)∩C

A∪ B = B ∩ A

(A ∪ b)^c = A^c ∩ B^c

The measure of the external angles of a regular octagon is:

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If b²-4ac > 0, but not a perfect square then roots of ax²+bx+c=0 are:

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Imaginary

Rational

Irrational

None of these

If a chord of a circle subtends a central angle of 60°, then the length of the chord and the radial segment arc:

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Congruent

Incongruent

Parallel

Perpendicular

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

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I

II

III

IV

Line segment joining any point of the circle to the centre is called:

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Circumference

Diameter

Radial segment

Perimeter

If two arcs of a circle (or of congruent circles) are congruent, then the corresponding chord are:

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Perpendicular

Parallel

Bisect each other

Equal

The lengths of two transverse tangents to a pair of circles are:

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Unequal

Equal

Overlapping

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singular

non-singular

rectangular

null

If A is a square matrix, then A - A^t is:

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If z = x + i y = r (cos Θ + i sin Θ), then arg z is:

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tan Θ

cos²Θ + sin²Θ

r

Θ

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0

The additive inverse of a matrix A is:

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A

A^-1

- A

A²

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degree of P(x) = degree of Q(x)

degree of P(x) < degree of Q(x)

degree of P(x) > degree of Q(x)

none of these

Conjugate of a- i b is:

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b + ia

-a + ib

-a - ib

a + ib

If 2s = a + b + c, where a, b, c are the sides of a triangle ABC, then area of triangle ABC is given by:

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If α, ß are the roots of x² + kx + 12=0 such that α-ß = 1 then K = :

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0

±5

±7

±15

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If the cone is cut by a plane perpendicular to the axis of the cone, then the section is a / an:

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Parabola

Circular cone

Ellipse

Circle

The ratio in which y-axis divides the line joining (2, -3) and (-5, 6) is:

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2 : 3

2 : 5

1 : 2

3 : 5

X-coordinate of any point on Y-axis:

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0

x

y

1

If r is the radius of any circle and C its center, then any point P(x₁, y₁) lies on the circle only if:

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|CP| < r

|CP| > r

|CP| = r

None of these

x = 4 is the solution of inequality:

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x + 3 > 0

x - 3 < 0

-2x + 3 > 0

x + 3 < 0

-4 < y < 4 is the solution of the following:

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y = 5

y = 3

y = -4

y = 4

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

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Slope-intercept from

Point-slope from

Normal form

Intercepts form

If the equation of the parabola x² = 4ay, then opening of the parabola is upward of the:

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x-axis

y-axis

Major axis

Minor axis

A pair of lines of homogeneous second degree equation ax² + 2hxy + by² = 0 are othogonal, if:

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a - b = 0

a + b = 0

a + b > 0

a - b < 0

A scalar quantity is one that possesses only :

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Magnitude

Direction

Both a and b

None of these

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

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Zero

Undefined