Batting first, West Indies managed to score 148 runs loosing all of their wickets from 43.4 overs.
For West Indies, Rovman Powell hit an innings of 41 off 66 balls and Nkrumah Bonner 20 off 25 balls.
Earlier, West Indies captain Jason Mohammed won the toss and opted to bat first.
The match is being played on the same pitch as the first ODI. So, spinners once again got the advantage.
Bangladesh XI: Liton Das, Tamim Iqbal (capt), Najmul Hossain Shanto, Shakib Al Hasan, Mushfiqur Rahim (wk), Mahmudullah, Soumya Sarkar, Mehidy Hasan, Hasan Mahmud, Rubel Hossain, Mustafizur Rahman
West Indies XI: Sunil Ambris, Joshua da Silva (wk), Andre McCarthy, Jason Mohammed (capt), Kyle Mayers, Nkrumah Bonner, Rovman Powell, Raymon Reifer, Alzarri Joseph, Akeal Hosein, Kjorn Ottley.