Question # 1

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K/6

2K

3K

6K

Period of cosec x is ______

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202.04 is an example of

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Recurring decimals

Non-recurring decimals

Terminating decimals

None of above

The angle of elevation of the top of a tree from a point 17 meters from is foot is 42^𝜊The height of the tree is

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12m

21m

17m

15m

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π/ 4

π/ 6

π/ 3

2π/ 3

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)

Conic sections or simply conics are the curves obtained by cutting a right circular cone by

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a line

two lines

a plane

two planes

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If the roots of ax²+ bx + c = 0 (a > 0) be greater than unity, then

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a + b + c = 0

a + b + c > 0

a + b + c < 0

None of these

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Area bounded between the curve xy=2 and the lines x=1 and x=2

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ln2 square units

ln√2 square units

ln4 square units

Square units

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0

-2

1

4

Cos-1 (-x) =

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-x

1/x

tan-1 x

π-cos-1 x

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Symmetric

Skew-symmetric

Hermitian

Skew hermitian

1.4142135... is ______

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A natural number

A rational number

A prime number

An irrational number

Matrices are represented by

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Natural numbers

Real numbers

Small letters

Capital letters

n(n - 1) (n - 2) in factorial form is

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15

15 i

-15 i

-15

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

A = B iff

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All elements of A also the elements of B

A and B should be singleton

A and B have the same number of elements

If both have the same element

(x + 3) (x + 4) = x²+ 7x + 12 is ______

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Quadratic equation

Linear equation

Cubic equation

Identity

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The law of tangents is ______

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2

-1

8

not defined

In (x + iy), y is called as

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Imaginary part

Complex number

Real part

None of above

The A.M. of two numbers is 34 and G.M. is 16, the numbers are

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2 and 64

64 and 3

64 and 4

None of these

Which of the following is a quadrantal angle

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30°

45°

60°

90°

Range of tanθis

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Set of complex numbers

Set of real numbers

Set of odd numbers

Set of positive integers only

The solution set of trigonometric equation contains

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one element

two elements

three elements

Infinite elements

The mid point of the line segment joining the points (3,-1) and (-3,1) is

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(3,-1)

(0,0)

(2,2)

(4,4)

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