Question # 1

20° =

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360'

630'

1200'

3600'

Range for the data 110,109,84,89,77, 104,74,97,49,59,103,62 is.....

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41

51

61

71

The radius of incricle is called:

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In-radius

Escribed radius

E-radius

Radius

A cumulative frequency table is called.

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Frequency distribution

Data

Less then frequency distribution

None of these

Sinθ,Cosecθ =..............................

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1

0

Sinθ

Cos θ

U' = ________________

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U

A

A'

φ

If a = -2, b = -1 and c = -1, then discriminant is equal to:

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17

-17

-7

7

The measure which determines the middlemost observation in a data set is called...................

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Median

Mode

Mean

Variance

90 degree makes ______ right angle:

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2

4

1

3

A grouped frequency table is also called.............

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Data

Frequency distribution

Frequency polygon

Histogram

The total of frequency up to an upper class limit or boundary is called:

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frequency

class frequency

cumulative frequency

relative frequency

The additive inverse of a matrix A is:

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A

A^-1

- A

A²

2 cos α cos ß =

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sin (α + ß) - sin (α - ß)

cos (α + ß) - cos (α - ß)

cos (α + ß) + cos (α - ß)

sin (α + ß) + sin (α - ß)

Multiplicative inverse of -i is:

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i

-i

1

-1

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rational number

irrational number

natural number

whole number

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none of these

The number of subsets of a set having three elements is:

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2

3

4

8

Number of ways of arranging 5 keys in a circular ring is:

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12

24

6

5

2 cos α sin ß =

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cos (α + ß) + cos (α - ß)

sin (α + ß) + sin (α - ß)

sin (α + ß) - sin (α - ß)

cos (α + ß) + cos (α - ß)

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5

14

20

6

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z is purely real

z is any complex number

z is purely imaginary

real part of z = imaginary part of z

The period of cos 2x is:

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The general solution of differential equation of order n contains n arbitrary constants, which can be determined by ------------ initial value conditions.

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1

0

2

n

The centroid of the triangle whose vertices are (3, -5), (-7, 4) and (10, -2) is:

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(-2, -2)

(-2, 2)

(2, -1)

(0, 0 )

Two real and distinct tangents can be drawn to a circle from any point P(x₁, y₁) ______ the circle:

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Inside

On

Outside

None of these

The vertical line y'oy is called:

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x-axis

y-axis

abscissa

Ordinate

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0

The axis of the parabola y² = 4ax is:

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x = 0

x = a

y = 0

y = a

The linear function f(x) = ax + b is an identity function if:

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a = 0, b = 1

a = 1, b = 0

a = 1, b = 1

a = 0, b = 1

The graph of linear equation of the form ax + by = c is a _________ where a, b and c are constants and a, b are not both zero.

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Curve

Circle

Straight line

Parabola

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x = a

x = 2

x = 0

None

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Lagrange

Newtown

Leibniz

Cauchy

Equation of the line parallel to x + 3y - 9 = 0 is:

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3x - y - 9 = 0

3x + 9y + 7 = 0

2x - 6y - 18 = 0

x - 3y + 9 = 0

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