UPSC CSAT 2026: 5 Data Sufficiency PYQs Solved | Questions 1–5

In this video, we solve the 5 Data Sufficiency questions from UPSC Prelims 2026 CSAT, covering Questions 1 to 5 of the paper. Each PYQ is explained step-by-step, focusing on the logic needed to determine whether the given statements are sufficient—not just on finding the final answer. 📌 Topics covered: • Coins & Denominations • Comparing Two Numbers • Even or Odd • Sets X, Y & T • Prime Numbers • Data Sufficiency approach and statement analysis If you’re preparing for UPSC CSAT 2027 or revising CSAT 2026 PYQs, this video will help you understand how to approach Data Sufficiency questions efficiently. This video is helpful for anybody preparing for competitive exams. 🎯 Watch till the end and test yourself on all 5 PYQs. If you find the explanations useful, subscribe to ConceptHarbor – The Learning Lab for more CSAT PYQs, Quant, Reasoning and concept-based preparation. #UPSC #CSAT #UPSC2026 #CSAT2026 #DataSufficiency #CSATPYQ #UPSCPreparation #CSATPreparation