Question # 1

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[0, 0, 0]

[1, 0, 0]

[0, 1, 0]

[0, 0, 1]

How many term are there in the A.P, in which a₁ = 11 , a_n =68, d=3

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30

27

20

21

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Diagonal matrix

Scalar matrix

Triangular matrix

Identity matrix

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x-axis

y-axis

z-axis

None of these

The angle of depression of a point situated at a distance of 70 meters from the base of a tower is 45°. The height of the tower is

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70 m

85 m

35 m

None of these

x = secθ,y = tanθ are the parametric equations of

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Circle

Hyperbola

Ellipse

parabola

The value of k (k > 0) for which the equation x²+ kx + 64 = 0 and x²- 8x + k = 0 both will have real roots is

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8

-16

-64

16

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For the parabola the line through focus and perpendicular to the directrix is called

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Tangent

Vertex

Axis

None

The number of terms in the expansion of (a + x)¹²is

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13

12

11

10

The general equation of a circle is

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The value of the expression sinθ+ cosθlies between

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The greatest term in the expansion of (3+2x)⁹, when x=1 is

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4th

4th and 5th

5th

6th

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Diagonal matrix

Scalar matrix

Triangular matrix

Identity matrix

Out of 10, 000 families with 4 children each, the number of families all of whose children are daughters is

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375

500

625

150

How many arrangements of the letters of the word ADDING can be made

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Every prime number is also

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Rational number

Even number

Irrational number

Multiple of two numbers

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A triangle which is not right is called an ______ triangle

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Acute

Obtuse

Oblique

None of these

If the intersection of two sets is non-empty, but either is a subset of other are called

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Disjoint sets

Over lapping

Equal sets

None of these

The 10th common term between the series 3+7+11+....... and 1 + 6 +11 + ....... is

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191

193

211

None of these

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π / 3

π / 4

π / 2

π

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The coordinates of a point P(x,y) referred to XY-system are

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(x+y,y+k)

(x-h,y-k)

(x,y)

(x-h,y-k)

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cot x + c

tan x + c

-cot x + c

-tan x + c

A function whose domain is a subset of natural numbers is called ______

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Identity function

Sequence

Onto function

Series

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1

0

-1

2

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The distance between the points A(3,1) and B(-2,-4) is

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5

25

10

Period of sin 3x is ______

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