Puzzle 365
What is the name of this city?
Puzzle Copyright © Lloyd King
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Hint
Why does each column start with A, B, C?
Answer
Chicago.
Reasoning
Look at the letters at the bottom of each stack.
Puzzle 366
What is the minimum number of queens required on a chessboard such that all squares are attacked?
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Hint
Try this with a real board.
Answer
5 queens are required.
Puzzle 367
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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Hint
I bought at least 5 of every stamp.
Answer
Five lots of 2p, 7p and 15p, and six lots of 10p, and 20p.
Reasoning
The shopkeeper rightly figured that I required five lots of all of the stamps, which came to (2p + 7p + 10p + 15p + 20p) x 5 = £2.70.
For two of the stamps I needed one more of each, and these must have added to the remaining 30p, so can only have been the 10p and 20p stamps.
Puzzle 368
Which two letters come next in this sequence:
ME · VE · EA · MA · JU · SA · UR · ?
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Answer
NE.
From Neptune. The first two letters from the planets in sequence: MErcury, VEnus, EArth, MArs, JUpiter, SAturn, URanus, NEptune.
