Correct Answer - Option 4 : Geeta
According to the given information :
Radha is younger to Sunita
Sunita > Radha
Radha is elder than Rita
Radha > Rita
Rita is elder than Geeta
Rita > Geeta
Shyam is elder to Rita
Shyam > Rita
Shyam is younger to Radha
Radha > Shyam
The correct order of their ages is :
Sunita > Radha > Shyam > Rita > Geeta.
Geeta is the Youngest among all.
Hence, the correct answer is "Geeta".