Question # 1

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0

1

2

None of these

Cos 0° = ______

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-1

0

1

Undefined

We solve the system of non-homogeneous linear equations by

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a and b

b and c

c and a

a,b and c

For a positive integer n

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n! = n(n + 1)

n! = n(n+1)!

n! = n(n - 1 )

n! = n(n - 1)!

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0

1

(x3-1/x)12

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295

495

395

722

if a₁ =3, d=7 and a_n =59 , then the number of terms in A.P is

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7

9

11

13

The Domain of y = sin x is ______

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Set of real numbers

Rational

Irrational no.

None of above

The graph of a quadratic function is

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Circle

Straight line

Parabola

Triangle

If Projvu = Projuv, then

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Uand vare parallel

|u|=|v|

Uandvre perpendicular

One ofuorv

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c = 0

c = -1

c = -2

c = 1

If 0 = R, thenthe additive inverse of a is

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1/9

^1/-9

a

-a

The value of sin-1 24/25 is equal to

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csc-1 25/24

sec-1 24/25

2 tan-1 4/5

2cos-1 24/25

The circle (x - 2)²+ (y + 3)²= 4 is not concentric with the circle

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(x - 2)²+ (y + 3)²= 9

(x + 2)²+ (y - 3)²= 4

(x + 2)²+ (y - 3)²= 8

(x - 2)²+ (y + 3)²= 5

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The vertex of the graph of the quadratic function f(x) = x2 -10, is

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(0 , -10)

(-10,0)

(10,0)

(0,10)

Name the property used in 4 x (5 x 8) = ( 4 x 5) x 8

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Associative property of addition

Associative property of multiplication

Additive identity

Multiplicative identity

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Every subset of a finite set is

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Disjoint

Null

Finite

Infinite

One root of the equation cos x - x + 1/2 = 0 lies in the interval

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w⁷³= ______

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0

1

w

w²

The set of complex numbers forms a group under the binary operation of

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Addition

Multiplication

Division

Subtraction

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A prime number can be a factor of a square only if it occurs in the square at least

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Once

Thirce

Twice

None of these

Ifθ= 60° then

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sinθ= 1/2

tanθ= cot 30°

θ=π/4

secθ= 4

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If a set S contains "n" elements then P (S) has ...... number of elements

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2ⁿ

2²ⁿ

2 . n

n²

If f(x) = x²then f(-2) is

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-2

2

4

-4

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