1/You can only go halfway in before coming back out again
2/ His son??
3/ U
4/ 320mm - When books are on a shelf, the first page is at the right hand side and the last page is on the left. Therefore he only has to go through one complete book and two bindings
5/ The match
6/ none, furrow is between footprints
7/ There are 7 more bottles
8/ 9 days, (5cm per day for 8 days and 8cm on last day!)
9/ 98 seconds (does not ahev to measure last one)
10/ he was poisoned (or gun was not a pistol)
11/ A Coffin
12/ 10cm
13/ 7
14/ 13.5 hours
15/ PASS
16/ Zero, average speed requires a distance and journey started and finished at A so average distance is zero!!
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