Puzzle 13
Fill in the missing numbers with the digits 1 to 9. A diamond shape in the middle means that the four numbers around it add to 20.
Each uses a different way to add to 20, if there is already 1 + 3 + 7 + 9, then there will not be another using the digits 1, 3, 7 and 9 (in any order).
The same digit isn't allowed to touch, even diagonally.
Puzzle Copyright © Elliott Line
This puzzle appeared in Mensa's EnigmaSig (195.08) and is used with permission.
Puzzle 14
I am a nine-letter word (123456789).
From 6523 grows a plant.
I 689, I 689, I 689, it's no joke.
751 rhymes with you.
421 rhymes too!
What am I?
Puzzle 15
Can you complete the grid without forming a 3-In-A-Row of the same colour.
Each row and column has an equal number of Blue and White squares.
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Puzzle 16
Jam Making Contestall logic puzzles
At the recent interdepartmental jam making contest, four lucky candidates took part to make the juiciest strawberry jam.
As it happens, the person who came last was the oldest.
Glen was three years older than the person who came second.
Drew was neither the oldest nor the youngest.
Emery finished ahead of the 27-year-old, but didn't win.
Alex was also unlucky this time, and didn't win either.
The ages of the contestants were 24, 27, 30 and 32.
Can you work out who finished where, and how old they were?