10th Class Maths MCQ with Answers Chapter 5

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10th Class Maths MCQ with Answers


If set a has 3 elements and B has 4 then A x B has __________ elements.
7
4
12
3

The measures that are used to determine the degree or extent of variation in a data set are called:
median
A.M
central value
measures of dispersion

Which of the following is commutative law?
A? (B ? C) = (A? B)? C
A? B = B ? A
A? (B?C)= (A?B)?C
(A ? b)c = Ac ? Bc

If A and B are two disjoint sets then A? b = ______
B? A
A
B
?

If f: A? B and range of f= B , then f is an…………..
onto function
bijective function
function
into function

If x? A and x? b, then { x } is equal to………….
B – A
A – B
Ac
A? B

If A= {1,2,3} , B ={4,5} and R+{(1,4),(2,5),(3,4)} then R is __________
Not a funtion
A function A to A
One – one function from A to B
An onto function from A to B

(A?B)’= _____________
A?B
A’?B’
A?B
A’?B’

By definition, which of the following is a set?
{0,1,2,3,1}
{1,2,3,2}
{a,b,c,d}
{l,m,n,o}

A collection of well-defined distinct objects is called.
Power set
Set
subset
None of these

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