The train from Peterborough to Edinburgh takes $$3$$ hours and $$50$$ minutes.  Last Thursday, Meera arrived in Edinburgh at $$11.15\text{am}$$, and her train ran exactly on time. At what time did her train leave Peterborough station?  Answer~\uline{~~~~~~~~~~}~ 
Overseas Competition->Knowledge Point->Combinatorics->Time Problem->Time Calculation