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Puzzle 1 


Each of these words has had its vowels (AEIOU) removed.

Can you re-add the vowels and find the related words?

cbbg clflwr ccmbr crgtt crrt clrc

Puzzle Copyright © Kevin Stone

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??

Puzzle 2 


A Proof That 2 = 1. Let A = B:

           A = B

multiply by A on both sides:

         A x A = A x B

subtract B x B from both sides:

   A x A – B x B = A x B – B x B

factorise:

  (A + B)(A – B) = B(A – B)

divide by (A – B) on both sides:

       (A + B) = B

replace A with B:

         B + B = B

factorise:

          2B = B

divide by B on both sides:

           2 = 1

Where lies the flaw in the logic?

workings answer print

??

Puzzle 3 


What is the smallest positive integer which, when multiplied by 7, gives an answer consisting of only 4's?

Puzzle Copyright © Kevin Stone

workings hint answer print

??

Puzzle 4 


Which four animals have been mixed up below:

but rare odes came bit

Puzzle Copyright © Kevin Stone

workings hint answer print