Question

which of the following sets are infinite
1.p={x:x is natural number less than one million }
2.R {x:x is a number which can written by using digit 1repeated any number of times}
3.s{x:x is a line parallel to given line}
4.T={x:x is a elephant in the world}
5.v={X:X is a sphere passing through a given point}

give reasons also​

Answer 1

Answer:

the answer is R and S and is not sure aboit V