Question

Which of the following does not represent the set of odd integers from 1 to 11?

{1, 3, 5, 7 …}

{1, 3, 5, 7, 9, 11}

{1, 3, 5, 7, 9, 11}

{odd integers from 1 to 11}

Answer 1

1,3,5,7,......
as it is not having an end

Answer 2

Hint:

{1, 3, 5, 7 …}

is also the set

{1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21 …}

since it keeps going and going

Answer 3

Thank you :)