Advertisements
Advertisements
Question
State, if the following pair of a set, is disjoint:
{people living in Calcutta} and
{people living in West Bengal}.
Advertisements
Solution
{people living in Calcutta} and {people living in West Bengal}.
These are not disjoint sets as people of Calcutta are the people of West Bengal as calcutta is a city of West Bengal. So, "people living in West Bengal" is a pair of disjoint sets.
APPEARS IN
RELATED QUESTIONS
Express the following sets in roster form:
K = {x : x is an integer and – 3 < x < 5}
Express the following sets in set- builder notation (form):
{1, 4, 9,16, 25, 36}
State whether the given pair of set is equal or equivalent.
A = {first four natural numbers} and
B = {first four whole numbers}
State whether the given pair of set is equal or equivalent.
E = {even natural numbers less than 10} and
O = {odd natural numbers less than 9}
State whether the given pair of set is equal or equivalent.
A = {days of the week starting with letter S} and
B = {days of the week starting with letter T}.
State true or false of the following statement:
All examples of the empty set are equivalent.
Which of the following represent the null set?
φ, {0}, 0, { }, {φ}
If P = {2, 3, 4, 5}; then B = { } is proper subset of P?
If A = {even numbers less than 12},
B = {2, 4},
C = {1, 2, 3},
D = {2, 6} and E = {4} then
State if the following statement is true:
D ⊂ C
If A = {p, q, r}, then number of subsets of A = ______.
