This video discusses the official answer key for Civil Services (Prelims) GS Paper -1 released by UPSC. It also gives trends of questions from different subjects in this paper.
Knowledge Mixture,
KnowledgeMixture
Knowledge
Subscribe to the channel:
https://www.youtube.com/c/KnowledgeMixture?sub_confirmation=1
Any query, You are welcome to write in comment section.
Important for for UPSC prelims Exam 2018 ( 3 June 2018) or Civil Services Prelims Exam 2018. UPSC GS 2017 Question Paper, Question paper
source