1. 4
2. 5
3. 6
4. 7
5. 8
4
1. 4
2. 5
3. 6
4. 7
5. 8
8
1. At starting end
2. At mid-point of length of pool
3. At the opposite end of starting end
4. They would never meet for the 9th time
5. Depends on length of the pool
At starting end
1. 10
2. 11
3. 12
4. 13
5. Infinite
11
1. 15
2. 14
3. 10
4. 8
10
1. 23.5
2. 24.5
3. 12.5
4. 14.5
24.5
1. 7:8
2. 7:9
3. 3:8
4. 5:8
7:8
1. 12,28
2. 14,30
3. 16,32
4. 18,34
14,30
1. 34,11
2. 35,10
3. 36,9
4. 40,5
36,9
1. 35
2. 34
3. 45
4. 25
35