UPSC IAS  Prelims 2018 Answer key 

UPSC IAS Prelims 2018 Answer key – CSAT Question Paper and Answer Key. Welcome to the online learning section. The much awaited UPSC IAS Prelims Exam 2018 will be held today. UPSC CSE is one of the topmost exams of the country. Every year, Lakhs of aspirants appear for IAS Exam.

Union Public Service Commission (UPSC) has conducted the Morning shift of IAS 2018 Exam. The morning shift commenced at 9:30 AM & lasted for 2 hours i.e 11:30 AM. The IAS Prelims Exam is a screening exam only and the marks obtained in the IAS Prelims Exam is not counted in the final merit list of UPSC Civil Services Exam. The IAS Prelims is a necessary first step which is required to filter the better candidates from the large chunk of candidates applying for the Civil Service Exam each year.

The official answer key of UPSC 2018  will be released by UPSC after final result announcement. Here we are providing you “UPSC IAS  Prelims 2018 Answer key”.

UPSC IAS Prelims Exam 2018 Question Paper with Answers – Download Here

UPSC IAS 2018 Prelims Answer Key ( All Set) – Check Here

UPSC CSE Prelims Question Paper PDF ( English/Hindi)

You can download the IAS Prelims 2018 Paper PDF and their solutions from the given below link. Solving UPSC Civil Services (UPSC) IAS Prelims 2018 Paper PDF will give you confidence and enhance your exam preparations.

Question Asked in UPSC IAS Prelims 2018

As per the students who appeared for the IAS Exam, the overall difficulty level of the paper was Moderate. As promised, let us now go through the important topics asked in IAS Prelims Exam 2018.

Name of Section

Number of Questions


Polity 14
History, Art & Culture 19
Economy 17
Environment & Ecology 14
Others (Science & Technology, International Organization, Current Affairs)




UPSC Civil Services Prelims Answer Key 2018

How to calculate scores for UPSC Civil Services Prelims 2018 – UPSC IAS Answer Key 

Aspirants can calculate their scores with help of UPSC IAS Answer Key 2018 as mentioned below:

  • Mark scored by candidates in Prelims paper 1 and 2 = total number of correct responses*marks allotted to each question- one-third marks negative marking
  • In Paper 1 = correct responses out of 100*2 marks – 0.66 marks for each incorrect answer
  • In Paper 2 = correct responses out of 80*2.5 marks – 0.85 marks for each incorrect answer
  • Total Marks of Prelims exam = Paper 1 scores + Paper 2 scores out of 400

UPSC IAS Prelims 2018

UPSC Civil Services Mains Study Material
Economics Environment Geography
History Indian Polity Science & Tech.

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