Karachi    - The Karachi University on Sunday declared the results of MBBS Second Professional Supplementary Examination 2012 and BDS Third Professional Supplementary Examination 2012. As per results statistics, in MBBS supplementary exam, in all 346 candidates were registered of which 344 appeared and only 268 passed the examination while 76 failed. The pass percentage stood 77.91. For BDS exam, 76 candidates registered and appeared in examination of which only 56 passed and 20 failed. The pass percentage remained 73.68.