(1) Set of the first five positive integers.

{, , , , }

(2) Set of multiples of 5 which are more than 100 and less than 125.

{, , , }

(3) Set of first five cubic numbers.

{³, ³, ³, ³, ³}

{, , , , }

(4) Set of digits in the Ramanujan number.

Ramanujan’s number is

{, , , }