Directions: In the following question, two statements are numbered as Quantity I and Quantity II. On solving these statements, we get quantities I and II respectively. Solve both quantities and choose the correct option.

Quantity I: Five years ago, the average age of a husband and wife was 35 years. Today, the average age of the husband, wife and a child is 28 years. What was the average age of the couple when the child was born?

Quantity II: Raju, Baburao and Ghanshyam can do a piece of work in 12 hours, 16 hours, and 18 hours respectively. If Raju works for the first 5 hours and left the work and then Baburao joins and works for 4 hours alone and then left the work. If the remaining work is completed by Ghanshyam alone, then in how many hours will the whole work be completed?