Introduction to Sets

Q.

Is the given collection a set or not?

All difficult problems in your book on Mathematics.

Q. The collection of all Presidents of India is

1. a Set.
2. not a Set.

Q.

Write the following sets:

Set of multiples of $5$, which are more than $100$ and less than $125$.

Q.

1. State which of the following collections are sets:

(vii) collection of some multiples of 5

Q. A collection of odd numbers less than 20 is

1. Set
2. Not a Set

Q. A collection of all good movies is

1. a set.
2. not a set.

Q. A collection of all prime numbers less than 40 is

1. a set.
2. not a set.

Q. A collection of all four legged animals is

1. a set.
2. not a set.

Q. Which of the following collections is a set?

1. The collection of states in the Indian Union.
2. The collection of all great prime ministers in India.
3. The collection of all good dishes in India.
4. The collection of all the factors of number 56.

Q. The collection of all Presidents of India is

1. a Set.
2. not a Set.

Q. Given diagrams are examples of:

1. 
2. 
3. 
4. 

Q.

The group of intelligent students in a class is __________.

1. a null set

2. a finite set

3. a well defined collection

4. not a well defined collection

Q. Which of the follwing is a set?

1. The collection of all strong boys in a class
2. The collection of all short people in a colony
3. The collection of letters of the word 'CORONA'
4. The collection of difficult topics in Maths