# 10th Class Maths MCQ with Answers Chapter 5

#### 10th Class Maths MCQ with Answers

W – N = ………………..
?
W
{?}
N

The relation R = {(1,2),(2,3),(3,3),(3,4)} IS:
Not a function
Into function
Onto function
One-One function

Coding formula of group data of the arithmetic mean is:
X? = ?fX/?f
X? = A + ?fu/?f x h
X? = ?fD/?f
X? = A + ?fu/?f

If variance is equal to 36 then the standard deviation will be:
-6
36
6
none of these

Which of the following is true?
P ?W
Z ? W
W? N
N ? P

The domain of R = {(0,2),(2,3),(3,3)(3,4)} is.
{0,2,3}
{0,3,4}
{2,3,4}
{0,2,4}

the set {0,±1, ±2,±3,……..} is:
Set of prime numbers
Set of integers
Set of natural numbers
Set of whole numbers

If union and intersection of two sets are equal then sets are…………..sets.
Overlapping
Super
Disjoint
Equal

The harmonic mean of the observation 0,15,12, is:
7.3
6.7
3.7
no harmonic mean

Venn diagram was first used by………………….
Arthur Cayler
John Napier
John Venn
Netwon

Which of the following is distributive property of union over intersection?
A? (B? C) = ( A? B)? (A? C)
A? (B?C)= (A?B)?C
A?(B? C) = (A?B)?(A?C)
A? (B ? C) = A? (B? C)

The set having only one element is called.
Subset
Null set
Power set
Singleton set

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

If R= { (a,2),(b,3),(c,3) }, then Dom R = ________________
{a,b,c}
{1,2,3}
{a,c}
{1,2}

Power set of an empty set is.
?
{?}
{a}
{?,{a}}

The different number of way to describe a set are.
4
1
2
3

If { x|x=p/q, q?0,p,q?Z} then this is a _____________
Set of irraional numbers
Set of rational number
Set of integers
Set of even numbers

The set {x} x? A and x? B } is…………………..
A? B
A – B
A? B
B – A

Formula to determine the size of a class is:
Xmax + Xmin
number of groups/Range
Xmax – Xmin
Range/number of groups

If R = {(0,0),(8,2),(10,3),(14,12)}, then Dom R = ___________
{8,10,4}
{0,2,3,12}
{0,8,10,14}
{0,10}

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