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प्रश्न
Identify the following is set?
The collection of prime numbers upto 100.
उत्तर
A = {2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89 and 97}
As the collection of prime numbers upto 100 is known and can be counted (well defined).
Hence this is a set.
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