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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:
Set of odd whole numbers between 15 and 27.
State whether the given pair of set is equal or equivalent.
E = {even natural numbers less than 10} and
O = {odd natural numbers less than 9}
Examine if the following set is the empty set:
P = {x : 3x = 0}
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:
The set of all points in a line is a finite set.
If A = {5, 7, 8, 9}; then D = {7, 9, 10} is a subset of A?
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 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
C ⊆ A
