When prices rise between 20% to 100% per annum or even more, it is termed as-

Correct option is C

The correct answer is (c) Hyperinflation.
· Hyperinflation refers to a situation where prices increase extremely rapidly, typically more than 50% per month or higher.
· It is a situation where inflation spirals out of control, causing the value of currency to plummet, and leading to severe economic instability.
· Hyperinflation is much more intense than running inflation and is characterized by a dramatic decrease in the real value of the currency, leading to a loss of confidence in the currency's ability to function as a medium of exchange.
· Hyperinflation has been observed in countries such as Zimbabwe and Germany (Weimar Republic) during the 1920s, where prices soared uncontrollably.
Additional Knowledge:
· Running inflation: Refers to inflation rates between 10% to 20% annually, less severe than hyperinflation.
· Trotting inflation: This term is not widely used in economic terminology.
· Creeping inflation: Refers to slow, manageable inflation, typically below 10% per year.