Monthly Archives: October 2017

Cryptarithm – trees


Cryptarithm – trees***/*****
Both summations below can be translated into a correct sum by replacing every letter with a digit. The same letter always stands for the same digit and the same digit has always been replaced by the same letter.

cryptarithm-trees-exercise

You can check both your solution here

New puzzles are published at least twice a month on Friday. Solutions are published after one or more weeks. You are welcome to remark on the difficulty level of the puzzles, discuss alternate solutions, and so on. Puzzles are rated on a scale of 1 to 5 stars.

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Matchsticks – hexagon


Last month we looked at some hexagon matchstick puzzles, and this month features some more.

1) Move 4 matches**/*****
From the figure above, move 4 matchsticks so that you have 4 triangles on unequal size.

2) Move 4 matches***/*****
From the figure above, move 4 matchsticks so that you have 6 triangles again.

You can check your solutions here and here.

New puzzles are published at least twice a month on Friday. Solutions are published after one or more weeks. You are welcome to remark on the difficulty level of the puzzles, discuss alternate solutions, and so on. Puzzles are rated on a scale of 1 to 5 stars.