Question # 1

The inclination of a line parallel to x-axis is

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For any set B,B∪B' is

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Is set B

Set B'

Universal set

The number of permutation that can be formed from the letters of the word OBJECT is

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700

600

720

620

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In quadratic equation y=ax³+bx+c, if b and c are both zero then the graph is

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Symmetric w.r.t.y-axis

Symmetric w.r.t.x-axis

Straight Line

Circle

Product of any n consecutive positive integers is divisible by

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n

√n

n!

None

In ladder leaning against a vertical well makes an angle of 24^𝜊with the wall, Its foot is 5m from the wall, its length is

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5.47m

2m

7m

6.29m

Every recurring decimal represents

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A natural number

A rational number

An irrational number

A whole number

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0

1

The square matrix A is skew-symmetric when At =

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-B

-C

-A

-D

A bag contains 7 whit, 5 black and 4 rd balls. If two balls are drawn at random from the bag, the probability that they are not of the same color is

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73 / 120

83 / 120

67 / 120

43 / 120

f(x) = x³is:

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an odd function

an even function

an implicit function

a quadratic funtion

What is the period of tan 4/3 x =?

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π/4

4π/3

7π/4

3π/4

The contra positive of p → q is

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q → p

~q→~q

~p→~q

None of these

(a-1)-1 =

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a-1

a

-a

None of above

If f(x) = tan x then f(0) is

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0

1

1/2

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quadratic function

constant function

linear function

exponential function

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The value of x, and y, when (x + iy)²= 5 + 4i

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X = 2, y = 1

X = -2, y = 1

X = 2, y = -1

X = 2, y = 2

(x + 2)²= x²+ 4x + 4 is

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A linear equation

A cubic equation

A quadratic equation

None

Domain of cosecθis

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The line 2x +√6y =2 is a tangent to the curve x2 -2y2 =4 The point of contact is

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(√6,1)

(2,3)

(7,-2√6)

(4,-√6)

A∪(A∪B)= --------------------

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B

A

A∪B

None of these

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A

A'

U

U'

A diagonal matrix in which the diagonal elements are equal is called a

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Null matrix

Identity matrix

Scalar matrix

Row matrix

For n€ N,2^n>2 > n is to only when

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n<2

n≤ 4

n≥ 4

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