Please solve this DILR set.
Q1. How many students belong to either the Physics or Math departments ?
Q2. The number of students belonging to the Physics department who read papers on Algorithms and Calculus both is equal to_____.
Q3. The number of students belonging to the Math department who read papers on Calculus and Energies both is equal to_____.
Q4. If no student from the Math department read Agorithm paper only and there were only two students from the Physics department who read both Algorithms and Energies papers, then what would be the sum of the number of students reading both Doppler and Energies from Math department, and only Energies paper from the Physics department?
Q5. If no student from the Math department read both Algorithms and Energies papers, then how many students from the Physics department read only one type of research paper?