Question # 1

A chord passing through the centre of the circle is called

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the secant of the circle

the tangent of the circle

the arc of the circle

the diameter of the circle

If f(x) = (-x)²then f(-2) is

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0

2

-4

4

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

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The common point to four standard parabolas

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Focus

Centre

Vertex

P(x,y)

For each real number, there is a number which is its

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Negative

Possitive

Opposite

Similar

By expressing sin 125° in terms of trigonometrical ratios, answer will be

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sin 65° = 0.9128

sin 55° = 0.8192

sin 70° = 0.5384

sin 72° = 0.1982

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sin h x

cos h x

tan h x

cot h x

2π is the period of

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sin𝜽

tan𝜽

cot𝜽

all circular function

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2x + 3

x²+ 3 + c

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a^xIn a + c

a^x+ c

x a^x+ c

If u = xi + yj, then|u|

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x² + y²

(x² +y²)²

x²-y²

√(x²+y²)

The angles of elevation of the top of a tower at the top and the foot of a pole of height 10 m are 30° and 60° respectively. The height of the tower is

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10 m

15 m

20 m

None of these

e-radii are denoted by

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η

r2

r3

All of these

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Addition

Subtraction

Multiplication

None of these

If a = {2m/2m < 9 ,m€ p} , the (n A) =

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{2,3,4,5,6,7,8}

{2,4,6,8............16}

{ 4, 6}

{2,3,5,7}

If sinθand cosθare the roots of the equation ax²- bx + c = 0, then a, b, c satisfy the relation

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b²- a²= 2ac

A²- b²= 2ac

A²+ b²= c²

B²+ a²= 2ac

If n is odd then the middle terms in the expansion of (a + x)ⁿare

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A coin is tossed. If head comes up, a die is thrown but if tail comes up, the coin is tossed again. The probability of obtaining a head and an even number is

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1/8

2/8

3/8

None of these

Geometric mean between a and b is

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1

5

7

9

Which of the following is not a unit vector

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[1, 1, 1]

[0, 1, 0]

[0, 0, 1]

[1, 0, 0]

An equation in which at least one term contains dy/dx, d² y /dx²etc, is called.

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Differential equation

Initial condition

General solution

Singular equation

x = _________ is in the solution of 2x + 3 < 0

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0

2

-1

-2

For any equilateral r :R :η :r1 :r2 :r3 =

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1:2:3:4:5

1:2:3:3:3

1:2:4:4:4

2:1 :2 :2 :2

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Which is an explicit function

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y = x²+ 2x - 1

x²+ xy + y²= 2

x²+ y²= xy + 2

All are

The set of integer is

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Finite group

A group w.r.t addition

A group w.r.t multiplication

Not a group

A rule that assigns to each elements x in X a unique element y in Y is called a ____________

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domain

range

function

none of these

F(x) = x^xdecreases in the interval

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(0, e)

(0, 1)

(-∞,0)

None

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