Question # 1

The domain of a finite sequence is a

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Set of natural numbers

R

Subset of N

Proper subset of N

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0

1

-1

None of these

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Domain of 1+cot2θ=csc2θ is

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[0,π]

R-{x/x=nπ,n∈ z}

(-∞,+∞)

[-1,1]

If A, G, H are the arithmetic, geometric and harmonic means between a and b respectively then A, G, H are in

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A. P.

G. P.

H. P.

None of these

The square root of every incomplete square is an

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Rational numbers

Even numbers

odd numbers

Irrational numbers

For f(x) = x² + px +1, if f(3) = 3 then P =

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3/7

-2/5

-7/5

-7/3

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Symmetric property

Cancellation property w.r.t. multiplication

Reflexive property

Transitive property

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0

1

2

4

Ifα,βare the roots of ax²+ bx + c = 0 andα+ h,β+ h are the roots of px²+ qx + r=0, then h =

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Sin^-1(-x)=

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Cos^-11/x

- Sin^-1X

Cot^-1X

None of these

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0

1

8

∞

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1

-i

i

0

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1, 2, 3

1, 5, 9

2, 5, 8

3, 6, 9

For graphing a linear inequality, solid line is drawn if the inequality involves the symbols:

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> or <

= or≠

= or >

If the cone is cut by a plane perpendicular to the axis of the conec, then the section is a:

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Circle

ellipse

hyperbola

parabola

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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

1.4142135... is ______

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A natural number

A rational number

A prime number

An irrational number

n!/(n-1)!=

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n

n!

(n-1)!

0!

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cos 2x

2 cos 2x

2 sin2x

-2 cos2x

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Let A is a 3 x 3 matrix and B is its adjoint matrix. If |B| = 64, then |A| =

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Roots of the equation x²- 7x + 10 = 0 are

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{2, 5}

{-2, 5}

{2,5}

{-2,-5}

System of linear equations is inconsistent if

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System has no solution

System has one solution

System has two solution

None of above

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6, -12, -18

-6, 4, 9

-6, -4, -9

-6, 12, 18

If 2x +y + λ =0 is normal to parabola y2 =-8x,λ= _____

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12

8

24

-24

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none of these

The ratio in which the line y- x+ 2 =0 divides the line joining (3,-1) and (8,9) is

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2:3

-2:3

3:2

-3:2

Decimal part of irrational number is

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Terminating

Repeating only

Neither repeating nor terminating

Repeating and terminating

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