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Puzzle 113 



A 'complete' word is a word in which every letter, in turn, can be replaced by another to form a new word.

For example, SEND is a complete word because:

   Starting with SEND we can replace the S with an L to make LEND
   Starting with SEND we can replace the E with an A to make SAND
   Starting with SEND we can replace the N with an E to make SEED
   Starting with SEND we can replace the D with a T to make SENT.

Which 2 of the following words are not complete words? Proper nouns (i.e. people's names) are not allowed.
HARD
PORT
DUCK
BUGS
BAIL
MAST
THIN
LEAN
FIRE
READ

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Puzzle 114 



Alex and Blake were rowing their canoe along the River Trent.

In the morning they managed to row upstream at an average speed of 2 miles per hour.

They then stopped for a spot of lunch and a nice rest.

In the afternoon, the pace was a little easier as they were now rowing downstream back to their starting point, and managed an average speed of 4 miles an hour.

The morning trip took them 3 hours longer than the afternoon.

How far did they row upstream?

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Puzzle 115 



Starting in the bottom left corner and moving either up or right, adding up the numbers along the way, what is the largest sum which can be made?

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Puzzle 116 



What letter comes next in this sequence:

E  O  E  R  E  {?}

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