Question # 1

The unit vector along x-axis is

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none of these

If you are looking a high point from the ground, then the angle formed is

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Angle of elevation

Angle of depression

Right angle

Horizon

Ifᵨ> 1 , then the conic, is:

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Ellipse

Parabola

Hyperbola

None of these

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The obtuse angle between lines = -2 and y = x +2 is

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120°

135°

150°

140°

∀a,b,c∈R and c>0,then

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a>b ⇒ ac < bc

a>b ⇒ ac > bc

a<b ⇒ ac > bc

None of these

The roots of the equation 2^2x- 10.2^x+ 16 = 0 are

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2, 8

1, 3

1, 8

2, 3

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1/3

1

3

None of these

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In a country, 55% of the male population has houses in cities while 30% have houses both in cities and in village. Find the percentage of the population that has house only in villages.

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45

30

25

50

The set of positive integers, 0 and negative integers is known as the set of

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Natural numbers

Rational numbers

All integers

Irrational numbers

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1/2

2

1/4

4

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1

2

3

4

The ratio in which the line y- x+ 2 =0 divides the line joining (3,-1) and (8,9) is

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2:3

-2:3

3:2

-3:2

The parametric equations of a circle are

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Two cards are drawn at random from a well shuffled pack of cards. The probability that at least one of them is a face card is

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3 / 17

5 / 17

7 / 17

9 / 17

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Always negative

Zero

Always positive

Infinity

i¹⁰¹ =

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i

i²

-i

-1

The graph of a linear function is

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a circle

triangle

a straight line

none of these

The angle of depression of a point A on the ground from the top of the tower is 30𝜊,then the angle of elevation of the top of the tower at the point A is

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60𝜊

40𝜊

41𝜊

30𝜊

The set R is ______ w.r.t subtraction

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Not a group

A group

No conclusion drawn

Non commutative group

The value of n, when ⁿP₂= 20 is

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3

4

6

5

The solution set of x²- 5x + 6 = 0 is

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{1, 3}

{2, 3}

{1, 2}

None of these

The first three terms in the expansion of (1 + x)³are

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1 + 3x +6x²

1- 3x + 6x²\

-3 -3x -6x²

1- 3x -6x²

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n!

0!

1

None of these

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100

99

0

none of these

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0

-1

1

not defined

For any set B,B∪B' is

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Is set B

Set B'

Universal set

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15

15 i

-15 i

-15

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