Which of the following are sets ? Justify your answer.
The collection of all boys in your class.
Which of the following are sets ? Justify your answer.
The collection of all boys in your class.
The collection of all boys in your class is a well-defined collection because you can definitely identify a boy who belongs to this collection.
Hence, this collection is a set.
Similar Questions
Let $A=\{1,2,3,4,5,6\} .$ Insert the appropriate symbol $\in$ or $\notin$ in the blank spaces:
$ 5\, .......\, A$
Let $A=\{1,2,3,4,5,6\} .$ Insert the appropriate symbol $\in$ or $\notin$ in the blank spaces:
$ 5\, .......\, A$
Which of the following are sets ? Justify your answer.
The collection of all the months of a year beginning with the letter $\mathrm{J}.$
Which of the following are sets ? Justify your answer.
The collection of all the months of a year beginning with the letter $\mathrm{J}.$
Which of the following are examples of the null set
Set of odd natural numbers divisible by $2$
Which of the following are examples of the null set
Set of odd natural numbers divisible by $2$
Which of the following are sets ? Justify your answer.
A collection of most dangerous animals of the world.
Which of the following are sets ? Justify your answer.
A collection of most dangerous animals of the world.
Assume that $P(A)=P(B) .$ Show that $A=B$.
Assume that $P(A)=P(B) .$ Show that $A=B$.