10th Class Maths MCQ with Answers Chapter 5

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10th Class Maths MCQ with Answers


If f is a function from A to B, then f is one – one function if:
Range f = B
Second element of all ordered pairs contained in f is not repeated.
Range f? A
Dom f = A

A? Ac= ………………………
?
?
Ac
A

if A? b =?, then set A and B are ……………..sets.
Power
sub
over kaooubg
Disjoint

The relation {(1,2),(2,3),(3,3)(3,4)} is.
Not a function
Onto function
Into function
One-One function.

Collection of distinct objects.
None of the
Set
Subset
Power set

The set {x/x?W ^x? 101} is.
Sub set
Null set
Finite set
Infinite set

If B={1,2,100} and C = {2,100}, then B ?C = ________
{1,2,100}
{2,1}
{1,2}
{2}

The formula of grouped data of the arithmetic mean is:
X? = A + ?fX/?X
X? = l +n/f (n/2 – c)
X? = ?X/n
X? = ?fX/n

If number of elements in se A is 3 and in set B is 2, then number or binary relations in A x B is.
7
12
4
3

The formula of group data of the median is:
l + fm – f1/2fm – f1 – f2 x n,
l + h/f (n/2 -c)
A + ?fu/?f x n
l +?fx/?f x n,

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