The answer to this riddle is 400 dollars and if we calculate according to the riddle. T h e w a i t e r c a m e b a c k w i t h a c h a n g e o f 4 d o l l a r s. I had 370 dollars riddle answer | puzzle paheliyan i had 370 dollars riddle is a very tricky and trendy riddle on the internet. The answer to the 30 dollar hotel room riddle is $30..