|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?
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.|