4.
Write down with reasons either the following collections are set or
not.
(a) A collection of 6th grade students who write good letters.
(b) A collection of students who sing well.
(c) A collection of teachers who teach in 6th grade in your school.
(d) A collection of 6th grade textbooks.
(e) A collection of factors of 30.
Write down with reasons either the following collections are set or
not.
(a) A collection of 6th grade students who write good letters.
(b) A collection of students who sing well.
(c) A collection of teachers who teach in 6th grade in your school.
(d) A collection of 6th grade textbooks.
(e) A collection of factors of 30.