Question # 1

The approximate increase in the area of a circular disc if its diameter increased form 44cm to 44.4cm is

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0.4cm

8.8πcm

17.6 πcm

35.2πcm

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The law of sines

The law of tangents

The pythagorus theorem

None of these

tan(3π/2 +θ)=______;

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tanθ

cotθ

-tanθ

-cotθ

For each even natural number n (n²-1) is divisible by

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6

3

4

8

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If x, y, z are the pth, qth, rth terms of an A.P. and also of G.P., then x^y-z. y^z-x. z^x-yeqals

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xyz

0

1

None of these

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Orthogonal

Involutary

Idempotent

Nilpotent

Two tangents drawn from (2,3) to the circle x2+y2 =9 are

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Real and distinct

Imaginary

Real and coincident

None of these

The straight line passing through the focus and perpendicular to the directrix of the conic is known as its

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Tangent

axis

Focal chord

major or manor axis

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a.a^-1 = a^-1.a = 1 is a

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Commutative law of multiplication

Multiplicative identity

Associative law of multiplication

Multiplicative inverse

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sin 3a = ______;

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3sin a - 4sin3a

4sin a -3 sin3 a

3 cos3 a -cosa

4cos3 a - 3cos a

In set builder notation the set {0, 1, 2, ............, 100} can be written as

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

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4

8ab

9cos

4(a,b)

The seventh term of an A.P whose first term is P and common difference is q. is

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P-6q

P+6q

P-4q

P-nq

The axis of the parabola x² = 4ay is:

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y = 0

x = 0

x = -a

y = a

If Projvu = Projuv, then

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Uand vare parallel

|u|=|v|

Uandvre perpendicular

One ofuorv

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16

None of these

3, 6, 12,.... is

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A.P

G.P.

H.P.

None of these

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If the lower limit of an integral is a constant and the upper limit is a variable, then the integral is a

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Constant function

Variable value

Function of upper limit

All

∀a,b, c ε R,a +c = b + c = > a = b

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Reflexive property

Symmetric property

Cancellations property w.r.t. addition

Transitive property

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none of these

Every whole number is

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A real number

An irrational number

A prime number

A negative integer

If f(x) = x²then f(2) is

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-2

2

4

-4

If p and q are two statements then their biconditional 'p if q' is denoted by

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One second is denoted by

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1⁰

1'

1"

1 rad

Identity w.r.t intersection in a power set of any set is

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∅

Set itself

Singleton set

{0}

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