To help plan meals to be prepared in a college cafeteria, a survey was conducted and the following data was obtained: 130 students ate breakfast 180 students ate Lunch 215 students ate dinner 68 students ate breakfast and lunch 112 students ate breakfast and dinner 58 students ate all the three meals 90 students ate lunch and dinner 7 students ate none of the three meals Required a) Present the above information in a Venn diagram b) Number of students that ate at least one meal in the cafeteria c) Number of students that ate exactly one meal in the cafeteria