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प्रश्न
Write the cardinal number of the following set:
G = {x : x is a perfect square number, x ∈N and x ≤ 30}.
उत्तर
G = {x : x is a perfect square number, x ∈N and x ≤ 30}:
n(G) = 5
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संबंधित प्रश्न
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If A = {x: x is natural number divisible by 2 and x< 16} and
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Let A and B be two sets such that n(A) = 45, n(B) = 38 and n(A ∪B) = 70, find: n(A - B).
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