1 General Mental and Psychological Abilities · 1.3.1 Percentages and commercial arithmetic

1.3.1.4 Simple interest

Simple interest is charged only on the original principal, so it grows by the same amount every year and every question reduces to SI = PRT/100.

  • APPSC Group 1
  • Advanced level
  • 5 min read
  • Full course

Key terms

  • simple interest
  • principal
  • rate
  • time
  • amount
  • doubling time
  • split investment
  • change of rate
  • slab rates
  • borrowing and lending

What this note covers

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

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