In roster form, all elements of set are listed.

Example:

Set of natural numbers less than 6

Natural numbers = 1, 2, 3, 4, 5, 6, 7, 8, …

Natural numbers less than 6 = 1, 2, 3, 4, 5

So, set is

A = {1, 2, 3, 4, 5}

Note that, in set, all elements are listed

 

Set of vowels in English

Vowels are a, e, i, o, u

So, set is

B = {1, 2, 3, 4, 5}

 

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.