`2. 2401 spoons of barley a day, saving 117649 rolls
in a week. They must have had big mice in ancient Egypt!`

`3. 100 lambs, or 72 chickens, 7 cows and 21 lambs.`

`4. 360º is the easy answer; but by turning once clockwise
and six times anti-clockwise she could turn by 72º; and if
she turns twice clockwise and five times anticlockwise, she could turn
by 120º. Finally, she could turn by any multiples of these
answers such as 144º and 240º. If any of you are
ballet dancers, perhaps you could let us know what the world record is
for the greatest angle of a single spin!`

`5. Seven moves are needed The trick is not to aim for
a pile of white plates and a separate pile of blue plates, but to make
sure the last move combines two piles into one with blue and white separated.
If the plates are on the left to start with, here is one possible solution;`

`Move 7 plates from left to right ( 7 L to R); then 6 R
to L, 5 L to R, 4 R to L, 3 L to R,`

`6. b) 2 4 6`

` c) 1 1 2`
` - + - = -`
` 2 6
3`

` d) 3 1 4`

` e) 1 2 3
2 4 6`

`7. Her system fails on 24th June 2004.`

`Please email me at P.M.Strickland@livjm.ac.uk
with any comments or questions. I hope you had fun with Challenge!`

`Paul Strickland.`