Which of the following is/are infinite set?
Set of circles passing through (0, 0)
A - There are infinite lines parallel to y-axis
B - Though we may not count number of planets, we can be sure that the number is large and it is a finite number.
C - Number of elements in the set of letters in English alphabet is finite.
D - There are infinite number of circles that can have centre as (0, 0)
So, A & D are infinite sets.