Question

Exercise 5.1
1. State which of the following collections are sets :
(i) collection of odd natural numbers less than 50
(ii) collection of four colours of a rainbow
(iii) collection of first three days of a week
(iv) collection of all tall students of
your class . which are sets and why​

Answer 1

Answer:

hi friends the 4 one is correct

Answer 2

Answer:

collection of four colours of a rainbow