Question # 1

A Geometric Series is divergent only if

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|r|>1

|r|≥1

|r|=1

None of these

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sin^-1 x =

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tan^-1 x

Cosec^-1 x

Cosec x

cosec^-1(1/x)

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0

undefined

There are 16 point in a plane, in which 6 are collinear. how many lines can be drawn by joining these points?

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10

66

71

106

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A rational number

An irrational number

An odd number

A prime number

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(√3+√5)+√7 = √3 +(√5 +√7) property used in above is

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Commutative property of addition

Closure property of addition

Additive inverse

Associative property w.r.t to adition

The centre of the circle x2+y2 -2fx-2gy+x=0 is

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(-g,-f)

(g,f)

(f,g)

(-f,-g)

The periods of the function f(x) = x[x] is

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1

2

Non periodic

None of these

The number of standard parabolic functions are is

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4

2

3

1

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A

A'

U

None of these

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25

16

5

0

For three consecutive terms in A.P middle term is called

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A.M

nth term

Central term

None of these

What is the axis of the parabola y²= 4ax?

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x = 0

y = 0

x = a

y = 0

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The direction cosines of y-axis are

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1, 0, 0

0, 1, 0

0, 0, 1

1, 1, 1

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I and III quadrants

II and III quadrants

I and II quadrants

II and IV quadrants

The number of subsets of a set having three elements is

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4

6

8

none of these

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The domain of an infinite sequence is a

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Set of natural numbers

R

Subset of N

None of the above

If a,b,c are unit vectors then |a + b|2 +|a - b|2

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4

8ab

9cos

4(a,b)

Tangent is ...............function

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Inverse

one-one

in-to

Periodic

If 3x4 +4x3+x5is divided by x+1 , which of the following is the remainder

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7

-2

6

1

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Singleton set

A set with two points

Empty set

None of these

If A=B, then

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A⊂B and B⊂A

A⊆B and B⊈A

A⊆B and B⊆A

None of these

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-8

8

8i

32

Domain of y = scs x is

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All real numbers except π/2 + n*π

R

All negative integers

None of these

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