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प्रश्न
If M = {x : x ∈ N and x < 3}, then M has _____ proper subsets.
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उत्तर
If M = {x: x ∈ N and x < 3}, = {1, 2}
Then M has proper subsets = 22 - 1 = 4 - 1 = 3
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संबंधित प्रश्न
Express the following sets in roster form:
Set of odd whole numbers between 15 and 27.
Express the following sets in roster form:
E = Set of natural numbers below 30 which are divisible by 2 or 5.
Express the following sets in set- builder notation (form):
{3, 6, 9, 12, 15}
Express the following sets in set- builder notation (form):
{2, 3, 5, 7, 11, 13, ...}
Given: A = {x : x is a multiple of 2 and is less than 25}. Write the set in roster form.
State whether the given pair of set is equal or equivalent.
A = {first four natural numbers} and
B = {first four whole numbers}
State true or false of the following statement:
If two sets have the same cardinal number, they are equal sets.
State true or false of the following statement:
If A and B are two different infinite sets, then n (A) = n (B).
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
C ⊆ A
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:
E ⊇ B
