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Random Puzzles 


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Puzzle 1 


Yesterday I was asked to buy some stamps.

Stamps, in the land of BrainBashers, are available in 2p, 7p, 10p, 15p and 20p denominations.

For three types of stamp, I was asked to buy five of each.

For the other two types of stamps, I was asked to buy six of each.

Unfortunately, I forgot which I was supposed to buy five of and which to buy six of.

I had been given £3.00, which just happened to be the exact money required, so the shopkeeper was able to work out what stamps I needed.

Which stamps did I buy?

Puzzle Copyright © Kevin Stone

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Puzzle 2 


Can you find a three-letter word that completes these words?
b---
d---
m---et
p---ing
sh---

Puzzle Copyright © Kevin Stone

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Puzzle 3 


Can you find a 5-digit number that has no zeros, and no repeated digits, where:

The first digit is a prime number.
The second digit is the fifth digit minus the first digit.
The third digit is twice the first digit.
The fourth digit is the third digit plus three.
The fifth digit is the difference (larger − smaller) between the first digit and the fourth digit.
Don't forget that 1 isn't prime, as the prime numbers start with 2, 3, 5, …

Puzzle Copyright © Kevin Stone

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Puzzle 4 


Complete these three-letter words, the first letters form a word reading down, and the last letters form a word reading down.

The two words reading down are closely related:
- O -
- G -
- A -

Puzzle Copyright © Kevin Stone

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