1. Athletics and Tennis

2. A. Red-back

3. Because France pulled out of NATO

4. South Australia

5. Architecture

6. Nepal

7. Arlo Guthrie

8. Lolita

9. A house

10. Juan Antonio Samaranch

HARDER:

11. 20

12. 1920, The Mysterious Affair at Styles, Hercule Poirot

13. New York, Venice, Bilbao, Berlin and Abu Dhabi

14. 5

15. (a)120 millimetres (b)15 millimetres

16. 1936, Hobart Zoo (Tasmania)

17. 8

18. 621

19. 24

20. John Bardeen, Walter Brattain, and William Shockley