Anita is younger than whom?

Let Age of Mahima = x.
Age of Anita = 2x.
Age of Rajan = x/2.
Age of Deepti = 4x.
Age of Lata = x/4.
Now we have the following arrangements in descending order
Deepti > Anita > Mahima > Rajan > Lata
Anita is younger than Deepti.