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Puzzle 57 


Here is a curious grid! The sums of the shapes are shown at the end of each row, and at the bottom of each column.

What is the missing sum, and what is each shape worth?

4x4 Grid: ABAC, DCAA, BBCB, ADDB

Puzzle Copyright © Kevin Stone

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Puzzle 58 


The legendary BrainBashers calendar has had a small problem.

Here is a listing showing the number of days in each month:
January    73
February   83
March      51
April      52
May        31
June       42
July       41
August     63
September  ?

Using the same rules, how many days are in September?

Puzzle Copyright © Kevin Stone

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Puzzle 59 


Musical RecitalLogic Puzzles

At a musical recital five students (John, Kate, Larry, Mary and Nick) performed five musical pieces. Two by Bach, two by Mozart and one by Vivaldi. There were three violinists and two pianists. Each student performed only one piece, and played only one instrument. Find the order of the students, their respective instruments and the composer, with the following conditions:

The composers were not played consecutively. Vivaldi was played last and Mozart was played first.
There was one piano piece that was played between two violin pieces, and two violin pieces between the first and last piano piece.
There were no piano pieces by Mozart.
Kate played third.
John played a piece by Mozart, and was immediately followed by Nick, who played the piano.
Mary did not play a piece by Vivaldi.

Puzzle Copyright © Chris Joh

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Puzzle 60 


My first is in camel, and in hamster.
My second is in otter, but not in ferret.
My third is in mustang, but not in horse.
My fourth is in snake, and in asp.
My last is in tiger, and in panther.

What am I?

Puzzle Copyright © Kevin Stone

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