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Puzzle 570
What comes next in this sequence:
dog · cat · mouse · mole · deer · pig · ?
Choose from:
llama, cow, rabbit, frog
?
Puzzle 571
What word most logically goes in the brackets:
safe [fast] malt
oust [----] flaw
???
Puzzle 572
The local CD shop operates an unusual discount policy. The discount on the next purchase is worked out on the current purchase in the following way: for every whole pound spent you get 0.5% discount on the next purchase. For example, if you purchased £8.99 on the first purchase, you would then get a 4% discount on the next purchase and so on. You can make as many purchases as necessary.
You need to buy 7 CDs, costing, £11.50, £12.00, £12.00, £12.50, £13.00, £13.00 and £14.50. What is the cheapest method of buying them?