Tamim Iqbal smashed 95 whilst chasing a stiff 319 to secure a win.
Bangladesh cruised to this target set by Scotland with 11 balls to spare.
Earlier, Kyle Coetzer smashed 156 to help Scotland post 318-8.
Bangladesh 322 for 4 (Tamim 95, Mahmudullah 65, Mushfiqur 60, Shakib 52*) beat Scotland 318 for 8 (Coetzer 156, Taskin 3-41) by six wickets.
Matches Tagged in ClipDex2015 World Cup SCO v BAN ...
Series Tagged in ClipDex2015 World Cup
Players Tagged in ClipDexShakib Al Hasan Mahmudallah, Mohammad Coetzer, Kyle J Mushfiqur Rahim Taskin Ahmed Tamim Iqbal
Grounds Tagged in ClipDexAdelaide Oval
Categories Tagged in ClipDexLimited Overs (ODI & T20) World Cups