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प्रश्न
If A = {p, q, r}, then number of subsets of A = ______.
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उत्तर
If A = {p, q, r}, then number of subsets of A = 2³ = 2×2×2 = 8
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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 roster form:
H = {x : x eW and x < 10}
Express the following sets in set- builder notation (form):
{0, 2, 4, 6, 8, 10, 12, …. }
Given: C = {x : x is a multiple of 3 and is less than 25}. Write the set in roster form.
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 A and B are two different infinite sets, then n (A) = n (B).
If A = {5, 7, 8, 9}; then E = { } is a subset of A?
If P = {2, 3, 4, 5}; then A = {3, 4} 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
