52. | I have 4 playing cards. They are the Ace of Clubs, King of Hearts Queen of Spades and Jack of Diamonds. They are laid out in a line so that the King is to the right of the Queen; the Queen is to the left of the Jack; and no 2 cards of the same colour are next to each other. In which of the numbered positions (1, 2, 3 or 4) is the Ace? |
53. |
The most famous of British admirals, Horatio Nelson, was born on the 29th September 1758. On what day of the week was he born? |
54. | Meeting an old friend with two young children, I asked their ages and, being a mathematician, she told me that the product of her age and each of the two children's ages gave the answer 2,450. After a pause for thought, I said 'That gives too many possibilities. What is the sum of your three ages?' 'The same as your age' she said That still left me with a choice but, observing that the children were clearly not twins, my original question was now answered. How old was my friend? |
The winner of Competition #17 was Donald Angus of The Glasgow Academy, Scotland
The answers were:
49. | 17 paces (each one 83cm or 0.83metres) long |
50. | The start must have been on H. The order in which they went out was G H J A E B L D C K I. |
51. | 6009 was intended, but 2002 was also allowed since several pointed out that it worked on a calculator. |