Question # 1

Empty set is

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Not the member of real numbers

Infinite set

Finite set

Not subset of every set

(a,0) x (c, 0) =

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(0,ac)

(ac, 0)

(0,0)

(a, c)

Considering Cosine Rule of any triangle ABC, possible measures of angle A includes

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Angle A is obtuse

Angle A is acute

Angle A is right-angle

All of above

A line joining two distinct points on a parabola is called a ______ of the parabola.

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Chord

Tangent

Lust rectum

directrix

The value of x for which the polynomials x2 - 1 and x2 -2x + 1 vanish simultaneously is

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2

1

-1

-2

The standard parabolic form of the equation f(x) = x² +4 x +1 is

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x(x+4)+1

(x+2)²-3

(x+4)³ + 9

x(x-2)²+1

The horizontal distance between the two towers is 60 m. the angular elevation of the top of the taller tower as seen from the top of the shorter one is 30°. If the height of the taller tower is 150 m, the height of the shorter one is

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116 m

200 m

216 m

None of these

In one hour, the hour hand of a clock turns through

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The number z so that the triangle with vertices A(1,-1,0),B(-2,2,1)and C(0,2,z) is a right triangle with right angle at vertex C

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1,2

-1,-2

2,-1

-2,1

99th term of the series 2 + 7 + 14 + 23 + 34 + ..... is

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9998

9999

10000

None of these

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Cos-1 (-x) =

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-x

1/x

tan-1 x

π-cos-1 x

The sum of all even numbers less than 100 is

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2450

2352

2272

2468

Matrices are represented by

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Natural numbers

Real numbers

Small letters

Capital letters

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0

1

undefined

Which of the following is a quadrantal angle

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30°

45°

60°

90°

Domain of cosθis

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Set of odd numbers

Set of integers

Set of real numbers

Set of complex numbers

A relation in which the equality is true only for some values of the unknown is called

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An identity

An equation

A polynomial

None

Every set is an improper subset of

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Empty set

Equivalent set

Itself

Singleton set

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If sin 6θ+ sin 4θ+ sin 2θ, thenθ=

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cot(3π/2 -θ)=______;

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tanθ

cotθ

-tanθ

-cotθ

If in the expansion of (1+x)ⁿ, co-efficients of 2nd, 3rd and 4th terms are in A.P., then x=

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4

5

6

7

The slope of the normal at (4,3) to the circle x²+y²=25 is

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3/4

-3/4

4/3

-4/3

In R, the multiplicative inverse of a is

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0

1

-a

1/a

Riaz, Saba. Maria, Shehzad are to give speeches in a class. The teacher can arrange the order of their presentation in

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4 ways

12 ways

256 ways

24 ways

Which one is not defined∀n∈Z+

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-n!

n!

(-n)!

n!+0!=n!+1

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ⁿC₂= exists when n is ______

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sin h x

cos h x

tan h x

cot h x

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