ANSWERS

1. Four answers.
a. Blue
b. Red
c. White or Silver (or bare metal)
d. Green (British racing green) 

2. Hercules

3. Battery

4. Predator

5. U 2

6. Four answers.
a. The Candy Man (Sammy Davis Jr)
b. Baby, You're A Rich Man (Beatles)
c. Secret Agent Man (Johnny Rivers)
d. The Man Who Shot Liberty Valance (Gene Pitney) 

7. Bulimia (from the Latin bous and limos)

8. Three answers. USA , UK  and Germany 

9. Two answers. Pistachios and almonds (Genesis 43:11)

10. Five answers.
a. Houseboat
b. Charade
c. North By Northwest
d. To Catch A Thief
e. Father Goose 

11. Lentil (from 'Lentille')

12. Stranger On The Shore (Mr Acker Bilk)

13. Xanadu

14. Sharia

15. Knives and or daggers

16. Answer a. Germany

17. Answer c. Crunk (from crazy + drunk)

18. Hippo

19. Kill Bill: Vol 1

20. Truth