Question # 1

Four cards are drawn at random from a pack of 52 playing cards. The probability of getting all the four cars of the same suit is

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44/4165

22/4165

11/4165

None of these

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

2.333....is a

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Irrational no

Complex no

Rational no

None of these

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Z is a group under

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Subtraction

Multiplication

Addition

None of these

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A die is rolled. What is the probability that the dots on the top are greater than 4?

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1/4

1/2

1/3

1/33

The system of measurement in which the angle is measured in radians is called the

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circular system

CGS system

sexagesimal system

none of these

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A is proper subset of B

A is an improper subset of B

A is equivalent to B

B is subset of A

A fraction in which the degree of the numerator is less the degree of the denominator is called

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Polynomial

Proper fraction

Rational fraction

None

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Associative property of addition

Associative property of multiplication

Commutative property of addition

Commutative property of multiplication

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Associative law of multiplication

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ab - ba

a(bc) = (ab) c

a(b + c) = ab +ac

(a +b)c = ac + bc

Range of 2 tan x is ______

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[-2, 2]

-1 < x < 1

R

None of these

Circumcentre of the triangle, whose vertices are (0, 0), (6, 0) and (0, 4) is

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(2, 0)

(3, 0)

(0, 3)

(3, 2)

Inverse of the function y-10x is

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y=logx

y=lnx

x=10y

The area of a sector with central angle of 0.5 radians in a circular region whose radius is 2m is

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In how many ways can 5 persons be seated at a round table

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5!

4!

3!

120

Which one represents a sequence

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an

Sn

a(n)

{an}

The maximum value of sinθcosθis

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1

1/2

1/4

1/6

The proposition S(n) for any n∈ N is only true if k∈ N and

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S(k +1) is true

S(1) is true and S(k+1) is true whenever S (k) is true

S(k+1) is true whenever S (k) is true

S(k) is true

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0

1

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Which conjunction is not true ?

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In R the right cancellation property w.r.t. addition is

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G is geometric mean between a and b if a, G, b is

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A.P.

G.P.

H.P.

None of these

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In(x²- x + 1)⁴+ c

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none of these

If z₁ =√-36 ,z₂ =√-25,z3 =√-16 then

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15

15i

-15i

-15

A rule or correspondence that assigns to each element x in X a unique element y in Y is called a function from

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X to X

X to Y

Y to X

none of these

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