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DAY 20Upcoming Friday, 27 November 2026

Day 20: Science and technology · Trigonometry, heights and distances, basic geometry · Puzzles II, logical Venn diagrams · Reading comprehension II · ସମାସ

🔒 Test opens Fri, 27 Nov, 12:00 AM
Study today's checklist now. The 150-question test and each subject's 30-question test open automatically at midnight on 27 November.
General Studies 30 · Quant 30 · Reasoning 30 · English 30 · Odia 30 · −0.25 per wrong answer

Day 20 of the 70-day plan. Each subject has its own 30-question test — study a topic from the checklist, then attempt it straight away. Or take all 150 questions together (117 minutes). A wrong answer costs 0.25 marks. From Day 3, five of the 30 General Studies questions are current affairs.

General Studies

Science and technology

  • Space: ISRO missions and launch vehicles
  • Defence technology: missiles, DRDO
  • Everyday science: physics, chemistry, biology basics
  • Health: diseases, vaccines
Quant

Trigonometry, heights and distances, basic geometry

  • Angles of elevation and depression
  • Trigonometric ratios of 30°, 45°, 60°
  • Tower, shadow and ladder problems
  • Identities and complementary angles
  • Triangles and circles: Pythagoras, similar triangles, tangents
Reasoning

Puzzles II, logical Venn diagrams

  • Floor and box puzzles
  • Scheduling puzzles (days, months)
  • Comparison and ordering puzzles
  • Logical Venn diagrams (doctors, women, mothers type)
English

Reading comprehension II

  • Factual and inference questions
  • Tone and title
  • Vocabulary in context
Odia

ସମାସ

  • ସମାସର ଭେଦ: ତତ୍ପୁରୁଷ, କର୍ମଧାରୟ, ଦ୍ୱିଗୁ, ଦ୍ୱନ୍ଦ୍ୱ, ବହୁବ୍ରୀହି, ଅବ୍ୟୟୀଭାବ
  • ସମାସ ନିର୍ଣ୍ଣୟ ଓ ବ୍ୟାସ ବାକ୍ୟ

🔒 Opens Fri, 27 Nov, 12:00 AM
Tick off the topics above as you study — your ticks are saved in this browser.
← Day 19 Full 70-day plan Day 21 →

Free OPSC ASO preparation by EduSaint. Questions are written by the EduSaint Editorial Team following the pattern of OPSC's ASO papers. EduSaint is not affiliated with OPSC.