Question # 1

A conditional is regarded as false only when the antecedent is true and consequent is

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True

False

Known

Unknown

Find the geometric mean between 4 and 16

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The multiplicative inverse of x such that x = 0 is

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-x

Does not exist

1/x

±1

The multiplicative inverse of 1 - 2i is

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In the expansion of (a + x)ⁿthe general term T_{r + 1}is

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Let A and B be two sets. If every element of A is also an element of B then

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30°

45°

60°

75°

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Reciprocal equation

Exponential equation

Radical equation

None of these

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 parametric equation of a curve are x = t², y = t³then

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

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±1

0

2

4

If (2, 3) is the mid point of (a, 3) and (5, b) then

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a = 1 , b = -3

a = -1 , b = 3

a = 1 , b =3

a = -1 , b = -3

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1

-1

For all points (x,y) in second quadrant

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x > 0 , y < 0

x > 0 , y > 0

x < 0 , y < 0

x < 0 , y > 0

In the interval 0≤ x ≤ π, the sine is

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Not a function

Not defined

Infinity

Not one-to-one function

What is the period of 6 sin x=?

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π

-π

π/2

2π

The direction cosines of y-axis are

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1, 0, 0

0, 1, 0

0, 0, 1

1, 1, 1

3x + 4 > 0 is

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equation

inequality

identity

none of these

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2

4

3

16

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A parabola

An ellipse

A hyperbola

A circle

If w is a cube root of unity then 1 + w + w²= ______

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1

2

0

-1

Derivative of strictly increasing function is always

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Zero

Positive

Negative

Both (A) and (B)

If the radius of a circle is increased by 1 then area of circle will be

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π r2

π(r+1)2

π r2 +1

2π (r+1)

The set {1, -1, i, -i}

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Form a group w.r.t addition

Form a group w.r.t multiplication

Does not form a group w.r.t multiplication

Not closed under multiplication

if Z1 = 1+i, Z2= 2+3i, then |Z2 -Z1| =

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√3 i

√7

-2-i

√5

tan (π-θ) = ______

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- sinθ

- tanθ

- cosθ

- cotθ

The smallest positive root of the equation tan x - x = 0 lies on

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The function ø(x) is ananti derivativeof function f (x),x∈Df if

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ø′(x) =∫f(x)dx

ø(x) =∫f(x)dx

ø′(x) =f(x)

ø(x) =∫′(x)dx

cot(3π/2 -θ)=______;

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tanθ

cotθ

-tanθ

-cotθ

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