if U = {1,2,3,4,5,6,7,8,9,10} , A ={1,2,3,4} , B={3,4,5,6} and C ={2,3,6,7}

Show these on Venn diagram

a. $A - B$

b. $B - A$

c. $A \cap B \cap C$

d. $A \cup B \cup C$

e. $A \cup C$

f. $B \cup C$

Here is the Venn diagram

a. A -B

A -B ={1,2}

b. B -A

B -A ={5,6}

c. $A \cap B \cap C$

$A \cap B \cap C$

={3}

d. $A \cup B \cup C$

$A \cup B \cup C$

=={1,2,3,4,5,6,7}

e. $A \cup C$

$A \cup C$ ={1,2,3,4,5,6}

f. $B \cup C$

$B \cup C$={2,3,4,5,6,7}

Draw the Venn diagrams to illustrate the following relationship among sets E, M and U, where E is the set of students studying English in a school, M is the set of students studying Mathematics in the same school, U is the set of all students in that school.

(i) All the students who study Mathematics study English, but some students who study English do not study Mathematics.

(ii) There is no student who studies both Mathematics and English.

(iii) Some of the student’s study Mathematics but do not study English, some study English but do not study Mathematics, and some study both.

(iv) Not all students study Mathematics, but every student studying English studies Mathematics.

(i)

Since all the students who study mathematics study English, but some students who study English do not study Mathematics. Therefore, M ⊂ E ⊂ U Thus the Venn Diagram is

(ii) Since there is no student who study both English and Mathematics Hence,

E ∩ M = φ.

(iii) Since there are some students who study both English and Mathematics, some English only and some Mathematics only.

(iv) Since every student studying English studies Mathematics. Hence, E ⊂ M ⊂ U

Shade the region that represents

a. $A^c \cap B^c$

b. $A \cap B^c$

c. $A^c \cap B$

a.

b.

c.

Study the above Venn diagram and answer below questions

a. $ A \cap B \cap C$

b. $A \cap B$, $B \cap C$

c. $A^c \cap B$

d. $A \cup B \cup C$

e. $A^c \cap B^c \cap C^c$

a. {8,15}

b. {9,18,8,15}

{6,15,16}

c. {4,10,16}

d. {1,2,3,4,8,9,10,11,12,15,16,18}

e. {5,6,713,14,17,19,20}

Study the below Venn diagram

(i) A and B are disjoint sets. True or False

(ii) $A \cap B$ is an empty set. True or False

(iii) Find the value of $A \cup B$

(i) True

(ii) True

(iii) {a, b,c,d,e,p,q,r,s}

a. U = {x: x is a natural number and x < 20}

P = {1,2,3,4,5,6,7}

Q = {2,3,4}

b. N = {x: x is a natural number}

W = {x: x is whole number}

U = {x: x is a set of real numbers}

c. U = {people who live in India};

V = {people who live in Uttar Pradesh}

W= {people who live in Lucknow}

X= {People who live in Hyderabad}

d.

X = Set of natural numbers,

Y = Set of prime numbers and

Z = Set of even prime numbers.

**Notes**- Introduction
- Methods of representing a set
- Types of sets
- Subset
- Subset
- Subset of set of the real numbers
- Interval as subset of R Real Number
- Power Set
- Universal Set
- Venn diagram
- Operation on Sets
- Cardinality of Sets
- Set Theory Symbols

**Assignments**

Class 11 Maths Class 11 Physics Class 11 Chemistry Class 11 Biology

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