Question

1. Which of the following are sets?
(a) The collection of all the days in a week
beginning with the letter 'T'.
(b) The collection of all difficult questions in the
chapter on sets.
(c) The collection of girls in your class.
(d) The collection of all rivers in India.​

Answer 1

Answer:

a) It is a set

b) not a set

c) is a set

d) is a set