Question # 1

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Does not exist because f is unbounded

Is not attained even though f is bounded

Is equal to 1

Is equal to -1

A subset of set of complex number whose elements are of the form (a,0) is called

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Real number

Complex number

Rational number

Irrational number

In a class of 100 students, 60 drink tea, 50 drink coffee and 30 drink both. A student from his class is selected at takes at last one of 2 drinks is

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2 / 5

3 / 5

4 / 5

None of these

The set {-1,1} is closed under the binary operation of

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Addition

Multiplication

Subtraction

Division

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8

1/56

56

None of these

If (x₁, y₁) and (x₂,y₂) are the end points of a diameter then the centre of the circle is

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[i,j,k]

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0

2

1

-2

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There are 25 tickets bearing number from 1 to 25. One ticket is drawn at random. The probability that the number on it is a multiple of 5 or 6 is

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7 / 25

9 / 25

11 / 25

None of these

sin^-1[-1/2] = ______

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The equation |x + 4| = x has solution

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x = -2

x = 2

x = -4

x = 4

Which one is quadrantal angle

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8181710°

2345°

-8181180°

-2344°

The point of concurrency of the right bisectors of the sides of a triangle is called

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incentre

circum center

e-center

centroid

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A sequence is a function whose domain is

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N

Subset of N

R

None of these

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If the intersection of two sets is non-empty, but either is a subset of other are called

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Disjoint sets

Over lapping

Equal sets

None of these

Every whole number is

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A real number

An irrational number

A prime number

A negative integer

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In f(x) + c

f(x) - c

The distance of the point (2,3) from y-axis is

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2

3

5

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Principle of equality of fractions

Rule for product of fraction

Rule for quotient of fraction

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An expression

Rational fraction

Equation

Identity

1/3 is ______

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A prime number

An integer

A rational number

An irrational number

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15/23

7/15

7/8

15/7

The common ration of a geometric sequence cannot be

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0

1

2

3

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

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Addition

none of these

Division

Subtraction

(n + 2) (n + 1) n= ______

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The unit vector along y-axis is

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none of these

Order (or sense) of an inequality is changed by multiplying or dividing its each side by a:

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Zero

one

negative constant

Non negative constant

If a polynomial P(x) is divided by x - a, then the remainder is

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P(o)

P(-a)

P(a)

None of these

The number of significant numbers which can be formed by using any number of the digits 0, 1, 2, 3, 4 but using each not more than once in each number is

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260

356

410

96

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