Question # 1

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real part of z

imaginary part of z

conjugate of z

modulus of z

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The period sin²θis

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π²

π

2π

π/2

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0

-1

1/2

1

InΔABC if y = 90° then the Pythagoras theorem is

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b2 + c2 =a2

a2 + b2 = c2

a2 +c2 = b2

None of these

H₁, H₂, H₃, .... H_nare called n harmonic means between a and b if a, H₁, H₂, H₃, ... H_nb are in

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H.P.

G.P.

A.P.

None of these

Onto function is also called

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Binjective function

Injective function

Surjechive function

None of these

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 graph of y> 0 is the upper - half of:

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y-axis

x-axis

1st and 4th quandrant

2nd and 3rd quadrant

The quadratic equation 8 sec²θ- 6 secθ+1 = 0 has

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Infinitely many roots

Exactly two roots

Exactly four roots

No roots

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(2x4)

(2x7)

(2x3)

(7x2)

If ab > 0 and a < 0, which of the following is negative?

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b

-b

-a

(a - b)²

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Geometrically the modulus of a complex number represents its distance from the

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Point (1,0)

Point (0,1)

Point (1,1)

Point (0,0)

The set of the first elements of the orders pairs forming a relations is called its

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Relation in B

Range

Domain

Relation in A

If a plane passes through the vertex of a cone then the intersection is

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an ellipse

a hyperbola

a point circle

a parabola

Which of the following has the same value as i113

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i

-1

-i

1

The point (x₁, y₁) lies outside the circle x²+ y²+ 2gx + 2fy + c =0 if

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The eccentricity e of an ellipse is always

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Rational

Real

Irrational

Integer

The physical quantity which can be specified by a number alongwith unit is called a

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scalar

vector

constant

none of these

A statement which is either true or false is called

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Induction

Deduction

Propositicon

Logic

Sin 45° = ______

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8 . 7 . 6. 5 in factorial form is

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The equation of the tangent at vertex to the parabola is y2 = -8(x -3)

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y=0

x=3

x=1

x=5

The sum of the roots of the equation x2 -6x +2 = 0 is

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-6

2

-2

6

Such fraction which can not be written in the form ofp⁄q where p,q and q≠ 0,such fractions are called.

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Fractinal numbers

Rational Numbers

Even Numbers

Whole Numbers

Two unbiased dice are thrown. The probability that the total score is > 5 is

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1 / 18

7 / 18

13 / 18

11 / 18

∀a,b ε R, ab = be is a

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Commutative law of multiplication

Closure law of multiplication

Associative law of multiplication

Multiplicative identity

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