Question 17
At Gunaroo High School, a two-weekly (10-day) timetable is used, with 5 periods in each day.
Students take seven subjects, English, Maths, Science, Geography, History, PE and Arts, in a rotating sequence in the order given, starting with English on Day 1, period 1. This takes up 49 of the 50 available periods. The one remaining period is an assembly which is held on the first period of one of the days of the second week. Which lesson can never be held during period 1 of one of the other days of the second week?
Students take seven subjects, English, Maths, Science, Geography, History, PE and Arts, in a rotating sequence in the order given, starting with English on Day 1, period 1. This takes up 49 of the 50 available periods. The one remaining period is an assembly which is held on the first period of one of the days of the second week. Which lesson can never be held during period 1 of one of the other days of the second week?