1. none

2. a. 6 snakes; b. 14 lizards; c. 7 people

3. 15 attempts

4. Yellow, orange, red, pink, purple, green, brown, blue, grey

5. a, c & d

6. View e is not possible

7. Seat 2

8. Alan is 21, Brian is 8, Chuck is 16.

9. 11 times

10. Cabbage(21),  pea(22),  Leek(33), carrot(75)