for room 1 i tried different combinations to make 8 on top of the 3 dice then turned them over to find each time it addded up to make 13.
for room 2 i tried diffferent ways of makeing the target number use the number before to find to find the number was 9.
for room 3 i worked out the lenth of the overlapping gap wich is 1cm then i found the center of each circles then i worked out the distance betweeen the center of one circle and the edge of the other which was 1.5cm which i times by 2 and added 1 which made 4 which when squared made 16 and then i took one to make 15
for room 4 i tried lot of different ways before find that the answer is 7 2 6
5 1
3 4 8
when addded and had ten taken away the number was 14
for room 5 i tried lots of different way like 1 row of 4 and 3 left to make 7 but it would not work with the other one but after a lot of trys i found the number was 19
after speanding 10 mins of rearranging the letters i found out his name is SIMON