Advertisements
Advertisements
Question
Express the following sets in roster form:
E = Set of natural numbers below 30 which are divisible by 2 or 5.
Advertisements
Solution
E = Set of natural numbers below 30 which are divisible by 2 or 5:
E = {2, 4, 5, 6, 8, 10, 12, 14, 15, 16, 18, 20, 22, 24, 25, 26, 28}
APPEARS IN
RELATED QUESTIONS
Express the following sets in roster form:
D = Set of Prime numbers from 2 to 23.
Express the following sets in set- builder notation (form):
{3, 6, 9, 12, 15}
Given: A = {x : x is a multiple of 2 and is less than 25}. Write the set in roster form.
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:
A = {natural numbers less than 10} and
B = {x : x is a multiple of 5}
State, if the following pair of a set, is disjoint:
{people living in Calcutta} and
{people living in West Bengal}.
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:
If B = {x : x + 4 = 4}, then B is the empty set.
State true or false of the following statement:
The set of letters in your Mathematics book is an infinite set.
If C = {0}, then number of subsets of C = _____.
