Question # 1

The general equation of a circle is

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The central angle of an arc of a circle whose length is equal to the radius of the circle is called one

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Degree

Second

Minute

Radian

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2x - 3x + c

x²- 3x + c

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-a -b -c

1

0

-1

The axis of the parabola y²= 4ax is

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X = 0

Y = 0

X = y

X = -y

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0

-1

1

not defined

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6x + 2 + c

6x + x²+ c

6x³+ x²+ x

Three numbers are chosen random without replacement from {1, 2, 3, ...., 10}. the probability that minimum of the chosen numbering is 3 or their maximum is 7

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7 / 40

5 / 40

11 / 40

None of these

There are n seats round a table numbered 1, 2, 3 .... n. The number of ways in which m person can take seats is

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ⁿP_m

ⁿC_mx (m - 1) !

^n-1P_m

None of these

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The last term of (1+2x)-2

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(-1)-2 (2x)-2

(-1)-4(-2x)-2

(-1)-3(2x)-3

Does not exist

Domain of cosec x is ______

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The projections of a line segment on x, y, z axes are 12, 4, 3. The length and the direction cosines of the line segment are

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Which of the following sets is finite

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The set of natural numbers between 3 and 10

The set of rational numbers between 3 and 10

The set of real numbers between 0 and 1

The set of rational numbers between 0 and 1

If θ be angle between u,v and u,v determine the sides of a triangle then the third side opposite to angle θ has length

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|u+v|

|u|+|v|

|u-v|

|u|-|v|

The set Q

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Forms a group under addition

Does not form a group

Contains no additive indentity

Contains no additive inverse

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Hermitian matrix

Skew-hermitian matrix

Symmetric matrix

Identity matrix

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X = 100 sinθ

X = 10 sinθ

X = 100 secθ

None of these

If a^x= b^y= c^zand a, b, c are in G.P. then x, y, z are in

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A.P.

G.P.

H.P.

None of these

Cot 45° = ______

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2^x

2^xIn x

2^xIn 2

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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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

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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tan270° =__________;

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0

1

-1

Undefined

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0.25 is ______

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An irrational number

A natural number

A prime number

A rational number

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The direction cosines of y-axis are

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1, 0, 0

0, 1, 0

0, 0, 1

1, 1, 1

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