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: The average marks of 50 students in a class are 75. When twenty new students were admitted, the class average increased by 2 marks. Find the average marks obtained by the 20 new students.

Quantity II: The mean of 30 numbers is 150. If, mean of the first 10 numbers is 140 and that of the last 10 numbers is 200. Find the average of left out numbers.