Winner: Con Burns, Cahergal, Union Hall, Co Cork. Participant's Prize: Mary O'Sullivan, 7 Woodford Tce, Clondalkin, Dublin 22

Answers:

1. Steve Ballmer

2. George W Bush

3. John Sharman

4. Hiestand Holding AG

5. Education Media Publishing Group (EPMG)

6. Any six of Ireland, Luxembourg, the UK, Iceland, Spain, Hungary and Turkey

7. Cully Sully

8. John Flaherty

9. Habitat

10. Windows 7

11. Paul Schutz

12. Blackberry

13. Barry Maloney

14. Fintan Drury is chairman; Sir Roy Gardner is former Manchester United director on board of Mainstream Renewable Power. Either answer accepted.

15. ChangingWorlds Ltd

16. Garth Andrew Calow

17. Twitter

18. Endesa

19. 1961

20. 4FM or Choice

Broadcasting Ltd

21. McGranaghan Racing

22. Myles Lee

23. €1.5 billion

24. Zavvi Ireland

25. Internal Market and Services

26. Waterford Wedgwood

27. Smurfit Kappa, Greencore and Aer Lingus

28. 50

29. Irish Enterprise Exchange

30. Liam Herlihy and Michael Walsh

31. Ray MacSharry and Margaret Hayes

32. Coca-Cola

33. Etihad Airways, RTÉ and Guinness

34. Bank Zachodni WBK

35. Easy TV and One Vision

36. CEO of Lehman Brothers

37. Numericable and Completel

38. Bert Allen

39. Eamonn Rothwell and Moonduster

40. Question voided