Study the following information and answer the question given below.

In a family of six members, Ram is the father of Rinku.  Radha is the mother of Ramesh.  Ramesh is the uncle of Rita.  Ritika is the daughter-in-law of Ram  and Ritika has a daughter.

Who is the grandmother of Rita ?

Radha

↑ or ↓ ⇒ Upward or downward line shown "generation gap" .

   =    ⇒ Double lines shown "relation b/w Husband & Wife"

   —   ⇒ single line shown "relation between them other than Husband & Wife".

   +   ⇒ Plus sign shown " Male".

   -   ⇒minus sign shown " Female".