Paper I · 9 Logical Reasoning & Analytical Ability · 9.3 Percentages and commercial arithmetic

9.3.6 Percentage applications: population, depreciation, elections and exam marks

Population and machine-value questions are compound interest in disguise, while election and exam questions are about finding the right base: valid votes, votes polled or maximum marks.

  • APPSC Paper I · Paper I
  • Standard level
  • 6 min read
  • Full course

Key terms

  • population growth
  • birth rate
  • death rate
  • migration
  • depreciation
  • book value
  • elections
  • invalid votes
  • margin of victory
  • pass marks
  • aggregate marks

What this note covers

  1. Core factsFoundation
  2. ExplainedStandard
  3. DeeperAdvanced
  4. Common trapsFoundation
  5. Quick revisionFoundation

Read the full note in the app. It is part of the APPSC Paper I full course in Medha AI. Free in the app: the first chapter of each topic.

Read the full note in the app Logical Reasoning & Analytical Ability questions with answers

All Percentages and commercial arithmetic notes · APPSC Paper I syllabus · APPSC Paper I Mock 1 with answers · Start free

Medha AI writes its own notes and checks them against the sources listed. Medha AI is an independent preparation service. It is not affiliated with, endorsed by or connected to APPSC, TSPSC, MPSC, UPSC or any other commission or government body.