Download Important Questions of Advanced Management Accouning (i.e. Costing & O.R.) for May'12 attempt from https://groups.yahoo.com/group/costingbyparaggupta/message/5154

Alternative link for downloading the questions is : https://tinyurl.com/sky-drive-of-satellite-batch

If you do these questions then your success is guaranteed, because these questions are selected by Costing's God - Parag Gupta sir, whose book has a track record of cracking last 8 attempts question paper (in series).