How many students prefer early morning only? A. 12 B. 35 B. 15 D. 38
2. How many students prefer early morning and late evening? A. 12 B. 38 B. 15 D. 73
3. How many students prefer late evening only? A. 12 B. 15 C. 35 D. 38
4. How many students prefer either early morning or late evening? A. 35 B. 38 C. 73 D. 88
5. How many students neither prefers early morning nor late evening? A. 12 B. 15 C. 35 D. 38