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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:
A = Set of letters in the word “CHITAMBARAM”
Express the following sets in roster form:
P = {x : x is a vowel used in the word ‘ARITHMETIC’}
Express the following sets in roster form:
S = {Squares of first eight whole numbers}
Express the following sets in roster form:
F = Set of factors of 24.
Given: A = {x : x is a multiple of 2 and is less than 25}. Write the set in roster form.
Examine if the following set is the empty set:
{x + 3 = 2 and x ∈ N}
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 M = {1, 2, 4, 6} and N = {x : x is a factor of 12} ; then M = N.
If A = {5, 7, 8, 9}; then E = { } is a subset of 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:
B ⊂ A
