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DAY 13Upcoming Thursday, 19 November 2026

Day 13: World Geography — climate, winds, ocean currents, grasslands · Quadratic equations · Mirror and water images · Idioms and phrases · ଶୁଦ୍ଧ ବନାନ II: ମାତ୍ରା, ଫଳା, ଣବିଧି-ଷବିଧି

🔒 Test opens Thu, 19 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 19 November.
General Studies 30 · Quant 30 · Reasoning 30 · English 30 · Odia 30 · −0.25 per wrong answer

Day 13 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

World Geography: climate, winds, ocean currents, grasslands

  • Pressure belts and planetary winds
  • Local winds
  • Warm and cold ocean currents
  • Grasslands of the world
  • Köppen climate classes
Quant

Quadratic equations

  • Roots by factorisation and formula
  • Discriminant and nature of roots
  • Forming the equation from α + β and αβ
  • Word problems
Reasoning

Mirror and water images

  • Mirror image of letters, numbers and words
  • Mirror images of codes (1965INDOPAK type)
  • Water image
  • Image of figures
English

Idioms and phrases

  • Common idioms with meanings
  • Phrasal verbs (take after, look through, get along)
  • Meaning of a phrase in context
  • Proverbs
  • Phrasal verbs with the same base verb (give in, give up)
Odia

ଶୁଦ୍ଧ ବନାନ II: ମାତ୍ରା, ଫଳା, ଣବିଧି-ଷବିଧି

  • ମାତ୍ରା, ଫଳା ଓ ଯୁକ୍ତାକ୍ଷର
  • ଣବିଧି ଓ ଷବିଧି
  • ଅଶୁଦ୍ଧି ସଂଶୋଧନ

🔒 Opens Thu, 19 Nov, 12:00 AM
Tick off the topics above as you study — your ticks are saved in this browser.
← Day 12 Full 70-day plan Day 14 →

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.