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WBCS Preliminary Exam Solved Question Paper 2009 (Bengali Version)

Work of 118 elements of periodic table

WBCS Preliminary Exam Solved Question Paper 2013 (Bengali Version)

 

WBCS Preliminary Exam Solved Question Paper 2012 (Bengali Version)

 

WBCS Preliminary Exam Solved Question Paper 2011 (Bengali Version)

 

WBCS Preliminary Exam Solved Question Paper 2010 (Bengali Version)

WBCS Preliminary Exam Solved Question Paper 2014 (Bengali Version)

 

WBCS Preliminary Exam Solved Question Paper 2015 (Bengali Version)

 

WBCS Preliminary Exam Solved Question Paper 2016 (Bengali Version)

 

WBCS Preliminary Exam Solved Question Paper 2017 (Bengali Version)