S.chand class 6 Mathematics Chapter 4 Exercise 4A

 

EXERCISE 4 A

---

Which of the following collections are sets? It not a set. give reasons.

1. Planets in our solar system
2. Interesting books in the library
3. Colours of a rainbow
4. All diff‌icult problems in your Maths book
5. Top five wicket takers in Test Cricket
6. Intelligent boys of your class
7. Presidents of India
8. Good football players
9. Counting numbers between 30 and 40
10. All good schools of india
11. All vowels
12. All yellow fruits