**Each problem contains a question and two statements which give certain data. You have to select the correct answer from 1 to 5 depending on the sufficiency of the data given in the statements to answer the question. **

**Mark (1) if statement I alone is sufficient to answer the question and statement II alone is not sufficient to answer the question. **

**Mark (2) If statement II alone is sufficient to answer the question and statement I alone is not sufficient to answer the question. **

**Mark (3) If the question can be answered by using either statement alone.**

**Mark (4) If statements I and II together are not sufficient to answer the question and additional data specific to the problem are needed. **

**Mark (5) If statements I and II together are sufficient to answer the question, but neither statement alone is sufficient**

In a class, there are 100 students, taking at least one of three subjects: Maths, Physics and Chemistry. How many take only one subject?

I. There are 50 students who take at least two subjects

II. There are 95 students who take at the most two subjects