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प्रश्न
If B = {5, 4, 6, 8}, then number of proper subsets of B = ____.
उत्तर
If B = {5, 4, 6, 8}, then number of proper subsets of B = 24 – 1 = 2 × 2 × 2× 2 – 1 = 16 – 1 = 15.
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संबंधित प्रश्न
Express the following sets in roster form:
C = {All composite numbers between 2 and 20}
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):
{23, 25, 27, 29, … }
Given: A = {x : x is a multiple of 2 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 whether the given pair of set is equal or equivalent.
P = {prime numbers which divide 70 exactly} and
Q = {prime numbers which divide 105 exactly}
State whether the given pair of set is equal or equivalent.
A = {letters of the word SUPERSTITION} and
B = {letters of the word JURISDICTION}.
State true or false of the following statement:
If n (A) = n (B) then A and B are equivalent sets
If A = {5, 7, 8, 9}; then E = { } is a subset of A?
If A = {5, 7, 8, 9}; then F = {8, 7, 9, 5} is a subset of A?
