Question

Which of the following are sets? Justify your answer.

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.

e- The collection of all active teachers in the school.

f- The collection of all integers more than –3.

g- The collection of all beautiful flowers in the park.​

Answer 1

The collection of all the days in a week beginning with the letter 'T'.

The collection of girls in your class

The collection of all rivers in India.

The collection of all integers more than –3.

Answer 2

Answer:

the collection of the difficult