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: Difference of present age of Aysuh and Sarthak is 14 years. 8 years after average of their age will be 40. Find the sum of age of Ayush and Sarthak.

Quantity II: 6 years ago ratio of age of mother and son is 3 : 1. Ten years after ratio of age of father and son will be 3 : 1. If present age of mother is 6.25% of 960. Find the age of father.