Question # 1

The set of integers is a subset of

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The set of natural numbers

The set of whole numbers

The set of prime numbers

The set of rational numbers

The angle of elevation of a tower from a point A due south of it is x and from a point B due east of A is y. If AB = 1, then the height h of the tower is given by

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The null vector is regarded to be perpendicular to

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Every vector

In some cases

Both a b

None

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0

1

none of these

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If the exponent in the binomial expansion is 6, then the middle term is

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2nd

3rd

4th

5th

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none of these

Every recurring decimal represents

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A natural number

A rational number

An irrational number

A whole number

A function f is said to be an even if f(-x) =

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0

1

f(x)

-f(x)

For all points (x,y) in fourth quadrant

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x > 0 , y < 0

x > 0 , y > 0

x < 0 , y < 0

x < 0 , y > 0

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6

360

120

24

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-3

-7

1

0

Out of 10, 000 families with 4 children each, the number of families all of whose children are daughters is

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375

500

625

150

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a = 4, b = 1

a = 1, b = -4

a = 0, b = 4

a = 2, b = 4

The maximum value of sin x + cos x is

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x =0, y =4

x = -1, y = 2

x = 2, y = 3

x = 3, y = 4

The parametric equations of a circle are

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Less then 1

Equal to 1

Greater than 1 but less then 2

Greater then or equal to 2

(a,b) +(-a,-b) =

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(0,0)

(a,b)

(-a,-b)

(1,1)

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 aand bare two vectors then a+b =

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b + a

b - a

ab

a^ b

Onto function is also called

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Binjective function

Injective function

Surjechive function

None of these

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2, 3

3, 3

2, 6

2, 4

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360°

180°

90°

None of these

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The identity element of a set X with respect to intersection in P(x) is

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X

Does not exist

∅

None of these

The negation of given number is a

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Binary operation

Unary operation

Relation

None of these

A square matrix A = [aij] is lower triangular matrix when

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aij = 0 for all i<j

bij = 0

cij = 0

dij = 0

The standard form of the quadratic function f(x) = -x² +4x+2, is

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(x-2)²+6

-(x-2)² + 6

(x-3)²+5

(x+4)²-7

If a set S contains n elements then P (S) has ........ number of elements

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2ⁿ

2ⁿ²

2.n

n²

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