Question

Which of the following are sets ? Justify your answer. (R.P)
i) The collection of all months of a year begining with the letter "I".
ii) The collection of ten most talented writers of India.
A team of eleven best cricket batsmen of the world.
iv) The collection of all boys in your class.
v The collection of all even integers.​

Answer 1

Answer:

4 and 5 are sets

set is defined as a group of of a substance or a thing

set cannot be a good group out of a group or a bad group out of a group

Answer 2

Answer:

hey the answer is below :)

Step-by-step explanation:

(i) The collection of all months of a year beginning with J is {J anuary, June, July}, which is well defined and hence it forms a set.

(ii) The collection of most talented writers of India is not well defined because opinions about ‘most talented writers’ vary from person to person and hence it does not form a set.

(iii) A team of eleven best-cricket batsmen of the world is not well defined because opinions about ‘best-cricket batsmen’ vary from person to person and hence it does not form a set.

(iv) The collection of all boys in your class is well defined and hence it forms a set.

(v) The collection of all natural numbers less than 100 is {1, 2, 3, 4,…………, 99}, which is well

defined and hence it forms a set.

(vi) A collection of novels written by the writer Munshi Prem Chand is well defined and hence it forms a set.

(vii) The collection of all even integers is {…………..,-4, -2, 0, 2, 4,……….. } which is well defined and hence it forms a set.

(viii) The collection of questions in this chapter is well defined and hence it forms a set.

(ix) A collection of most dangerous animals of the world is not well defined because opinions about ‘most dangerous animals’ vary from person to person and hence it does not form a set.

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