Question # 1

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

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If the radius of a circle is increased by 1 then area of circle will be

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π r2

π(r+1)2

π r2 +1

2π (r+1)

The general term in the expansion of (a+x)n is

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(r-1)th term

(r+1)th term

rth term

none

The fifth term of (a+2x3)17 is

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4013 x3a13

2208a13 x12

223x7a18

38080a13 x12

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There are n seats round a table numbered 1, 2, 3 .... n. The number of ways in which m person can take seats is

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ⁿP_m

ⁿC_mx (m - 1) !

^n-1P_m

None of these

i³ =

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-1

i

-i

1

The condition for polynomial equation ax²+ bx + c = 0 to be quadratic is

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The set {x|x∈N∧x-4=0} in tabular form is

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{-4}

{0}

{}

None of these

√23 is

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A rational number

A irrational number

An even integer

A factor of 36

Every set is an improper subset of

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Empty set

Equivalent set

Itself

Singleton set

f(x)g(x)- ∫g(x) f′(x) dx is equal to

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∫f(x)g′(x)dx

∫f′(x)g(x)dx

∫f′(x)g(x)′dx

∫f(x)g(x)dx

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none of these

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none of these

If |αi + (α+1)j +2k| =3 then value of α is

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1,2

-1,-2

1,-2

-1,2

The constant distance of all points of the circle from its centre is called the

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Radius of the circle

Secant of the circle

Chord of the circle

Diameter of the circle

What is the number of elements of the power set of {0, 1}

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1

2

3

4

The centre of the conic x2 +16x +4y2 -16y +76 =0 is

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(0,10)

(-8,4)

(-8,-2)

(1,1)

If a and b are real numbers then a+b is also real number this law is called

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associative law of addition

closure law of addition

Distributive law of addition

Commutative law of addition

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The equation of the normal to the circle x²+ y²= 25 at (4, 3) is

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3x - 4y =0

3x - 4y =5

4x + 3y = 5

4x + 3y = 25

The sum of all positive integral multiple of 5 less than 100 is

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950

760

1230

875

The sum of first twenty odd integers in A.P is

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400

397

404

408

The equation of vertical asymptotes of y = cos ecx is

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x = 0

y = 0

x =∞

y =∞

Empty set is

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Not the member of real numbers

Infinite set

Finite set

Not subset of every set

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0

-1

1

not defined

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an A.P.

a G.P.

a H.P.

None of these

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The line y = 2 x + c is a tangent to the parabola y²= 16 x if c equals

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-2

-1

0

2

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