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Puzzle 1

BrainBashers Triathlon - Round 1

During the latest round of the BrainBashers school triathlon, Hayden was fourth.

Alex was not the oldest, but was older than Drew, who was not second.

The child who was next in age to the youngest, finished second.

The child who finished in third place was older than the child who finished first.

Blake was younger than the child who finished in third place.

Can you determine who finished where and place the children in order of age?

[Ref: ZYNI] © Kevin Stone

Puzzle 2

The Miller next took the company aside and showed them nine sacks of flour that were standing as depicted in the sketch.

"Now, hearken, all and some," said he, "while that I do set ye the riddle of the nine sacks of flour.

And mark ye, my lords and masters, that there be single sacks on the outside, pairs next unto them, and three together in the middle thereof.

By Saint Benedict, it doth so happen that if we do but multiply the pair, 28, by the single one, 7, the answer is 196, which is of a truth the number shown by the sacks in the middle.

Yet it be not true that the other pair, 34, when so multiplied by its neighbour, 5, will also make 196.

Wherefore I do beg you, gentle sirs, so to place anew the nine sacks with as little trouble as possible that each pair when thus multiplied by its single neighbour shall make the number in the middle."

As the Miller has stipulated in effect that as few bags as possible shall be moved, there is only one answer to this puzzle, which everybody should be able to solve.

[Ref: ZYIT] The Miller's Puzzle. The Canterbury Puzzles And Other Curious Problems by Henry Ernest Dudeney (1907).

Puzzle 3

• Place letters into the grid such that every row, column, and 2x2 block has letters (in any order) that form a common word.
• Each letter is only used once, and no letter is repeated in the rows/cols/blocks.
• Letters allowed: W A R M T H.

[Ref: ZUII] © Alan Stillson and Frank Longo.

Puzzle 4

There are three houses, and three utilities: water, gas and electricity.

Your task is to connect each house to all three utilities.

Therefore each house will have three lines and each utility will also have three lines.

However, you cannot cross lines! You cannot pass lines through houses or utilities. You cannot share lines.

Can you draw the 9 lines required?

[Ref: ZKGX]