Question # 1

x =r cosθ,y= sinθ are the parametric equations of

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Circle

Ellipse

Parabola

Hyoerbola

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1

-1

0

None of these

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1

-1

0

I

√2 +√3 +√5) = (√2 +√3 +√5: this property is called

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associative property w.r.t addition

commutative property

Closure property w.r.t addition

Additive identity

The equation x²+ y²= 0 represents

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A circle

A degenerate circle

An empty set

A st. line

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e^x+ c

e^-x+ c

x e^x+ c

not possible

If x,y are two -ve distinct numbers then

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A>G>H

A<G<H

A=G=H

None of these

If a cone is cut by a plane perpendicular to the axis of the cone, then the section is a

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Parabola

Circle

Hyperbola

Ellipse

nCn-r is equal to

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n!

n-1Cr

nCr

None of these

If the matrices A and B have the order 1 x 10 and 10 x 1 then order of AB is

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1 x 1

1 x 10

10 x 10

10 x 1

The function f : x→ y defined as f (x) =α∀x∈ X,α∈ y is called

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Constant function

Polynomial function

Identity function

Linear function

Two circles x2 +y2 +8x -9= 0 and x2+y2+6y +k =0 touchinternallyif the value of k is

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k = 9

k = ±9

k=-9

k=11

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Always negative

Zero

Always positive

Infinity

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sin(π/2+θ) = _______;

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sinθ

cosθ

-sinθ

-cosθ

Some of two real numbers is also a real number , this property is called:

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Commutative property w.r.t addition

Closure property w.r.t. addition

Associative property w.r.t. addition

Distributive property w.r.t addition

cos h²x + sin h² x

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an even function

an odd function

an even and implicit function

neither even nor a odd

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A

-A

A^t

A^-

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none of these

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none of these

If x = 1/x for x ∈ R then the value of x is

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±1

0

2

4

If the terminal rays of an angle falls on any axis then the angle is called

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Allied angle

Acute angle

Standard position

Quadrantal angle

The 7th term of (3⁸ + 6⁴x)^11/4 is

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-19217/3 x⁶

189/2 6⁴x

2227/12 x³

-19712/3 x⁶

The order of the matrix A is 3 x 5 and that of B is 2 x 3.The order of the matrix BA is

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2 x 3

3 x 2

2 x 5

5 x 2

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Which of the following is a scalar.

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force

frequency

weight

acceleration

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