10th Class Maths MCQ with Answers Chapter 5

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? A^c= ………………………

?

?

A^c

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 + f_m – f₁/2f_m – f₁ – f₂ x n,

l + h/f (n/2 -c)

A + ?fu/?f x n

l +?fx/?f x n,