Some collections are given below. Pick the ones that form well defined sets.
Red, blue, green, yellow, black.

Some collections are given below. Pick the ones that form well defined sets. 1, 8, 27, 64, 125, ....

Some collections are given below. Pick the ones that form well defined sets. 1,2,3,4,5,6,7,....

Some numbers are given below. Decide the numbers to which number sets they belong to and does not belong to and express with correct symbols. pi

Some numbers are given below. Decide the numbers to which number sets they belong to and does not belong to and express with correct symbols. 0

Some numbers are given below. Decide the numbers to which number sets they belong to and does not belong to and express with correct symbols. -4

Some numbers are given below. Decide the numbers to which number sets they belong to and does not belong to and express with correct symbols. 5/6

Some numbers are given below. Decide the numbers to which number sets they belong to and does not belong to and express with correct symbols. 4/5

Some numbers are given below. Decide the numbers to which number sets they belong to and does not belong to and express with correct symbols. 1.overline3

Some numbers are given below. Decide the numbers to which number sets they belong to and does not belong to and express with correct symbols. sqrt-5