Hello,

If you're asking this question in reference to UPSC Civil Service Examination, then there are two papers in prelims- General Studies and CSAT(General Studies-2).

The first paper General Studies has 100 questions with total marks being 200 with negative marking scheme.

The second category, CSAT paper is of 80 questions with total marks being 200 marks, this paper is of only qualifying nature, one needs to attain 33%, i.e.. 66 marks only.

The results of UPSC Prelims is just based on how you fare in GS Paper I, since CSAT is only qualifying paper, cut off vary every year, I've provided you the data below for more clarification regarding this matter.

2018 prelims cut-off has been mentioned below-

• General 98.00
• OBC 96.66
• SC 84.00
• ST 83.34
• PwBD1 73.34
• PwBD2 53.34
• PwBD3 40.00
• PwBD5 45.34

Previous year cut-offs

• General 105.34 (2017) vs 116.00 (2016) vs 107.34 (2015)
• OBC 102.66 (2017) 110.66 (2016) vs 106.00 (2015)
• SC 88.66 (2017) vs 99.34 (2016) vs 94.00 (2015)
• ST 88.66 (2017) vs 96.00 (2016) vs 91.34 (2015)
• PH1 88.88 (2017) vs 75.34 (2016) vs 90.66 (2015)
• PH2 61.34 (2017) vs 72.66 (2016) vs 76.66 (2015)
• PH3 40 (2017) vs 40.00 (2016) vs 40.00 (2015)