Q1 of 145 Page 4

Which of the following are sets? Justify your answer.

The collection of all interesting dramas written by Shakespeare.


As the collection of all interesting dramas written by Shakespeare is not well - defined because it depends on person interest.

∴, this is not a set.


More from this chapter

All 145 →
1

Which of the following are sets? Justify your answer.

The collection of all rich persons of Kolkata.


 1

Which of the following are sets? Justify your answer.

The collection of all persons of Kolkata whose assessed annual incomes exceed (say) Rs 20 lakh in the 4 financial years 2016-17.


 2

Let A be the set of all even whole numbers less than 10.

(i) Write A in the roster from.


(ii) Fill in the blanks with the approximate symbol ∉ or ϵ :


(a) 0 …. A


(b) 10 …. A


(c) 3 …. A


(d) 6 …. A


 3

Write the following sets in roster from:

A = {x : x is a natural number, 30 ≤ x < 36}.