Question # 1

The set of rational number is represented by

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W

R

Q'

Q

If the function y=2x -3, what is the preimage of 11?

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11

7

5

2

The sum of even coefficient in the binomial expansion is

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2ⁿ⁺¹

2ⁿ

2^n-1

2n

The two lines y = 2x and x =2y are

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Parallel

Perpendicular

Equally inclined with axes

Congruent

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-2

-1

1

2

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

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x³⁹

40x³⁹

40x⁴¹

none of these

A Series which does not coverage to a Unique sum is called

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Harmonic Series

Oscillatroy Series

Arithmetic Series

None of these

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A rational number

A natural number

An irrational number

An integer

A disjunction of two statement p and q is true

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p is false

q is false

Both p and q are false

One of p and q is true

Number of conics is

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1

3

2

4

The period of 2 cos x is

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30π

7π

5π

2π

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{0} is a

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Empty set

Singleton set

Zero set

Null Set

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Natural numbers

Whole numbers

Integers

Rational numbers

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If a₁, r are first term and the common ratio respectively then the sum of an infinite geometric series is

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The numbers of G₁, G₂, G₃...... G_nare called n geometric means between a and b is a, G₁, G_2,G₃, ... G_n, b are in

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H.P.

A.P.

G.P.

None of these

The set of the first elements of the ordered pairs forming a relation is called its

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Function on B

Range

Domain

A into B

How many arrangements of the letters of the word ADDING can be made

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(0,0) is in the solution of the inequality

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x + y > 3

x - y > 2

3x + 2y > 5

3x - 2y < 2

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1

0

Cycle tyres are supplied in lots of 10 and there is a chance if 1 in 500 tyres to be defective. Using Poisson distribution, the approximate number of lots containing no defective tyre in a consignment of 10, 0000 lots is

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9028

9208

9802

9820

The area between the x-axis and the curve y = x² + 1 from x = 1 to 2 is:

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15/6

15/4

10/4

10/3

The distance between the points (2,3) and (3,2) is

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5

2

10

The roots of the equations will be equal if b²- 4ac is

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Positive

Negative

1

Zero

Which is an explicit function

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y = x²+ 2x - 1

x²+ xy + y²= 2

x²+ y²= xy + 2

All are

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0

1

2

None of these

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