Advertisements
Advertisements
प्रश्न
State, if the following pair of a set, is disjoint:
{people living in Calcutta} and
{people living in West Bengal}.
Advertisements
उत्तर
{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.
संबंधित प्रश्न
Express the following sets in roster form:
K = {x : x is an integer and – 3 < x < 5}
Given: C = {x : x is a multiple of 3 and is less than 25}. Write the set in roster form.
State, if the following pair of a set, is disjoint:
{x : x is a fan of cricket} and
{x : x is a fan of football}
State, if the following pair of a set, is disjoint:
A = {natural numbers less than 10} and
B = {x : x is a multiple of 5}
State true or false of the following statement:
All examples of the empty set are equal.
State true or false of the following statement:
If n (A) = n (B) then A and B are equivalent sets
If P = {2, 3, 4, 5}; then B = { } is proper subset of P?
If P = {2, 3, 4, 5}; then C = {23, 45} 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 ⊄ A
If B = {5, 4, 6, 8}, then number of proper subsets of B = ____.
