This website automatically generates CPI practice problems. There is no limit to how many problems you can try. Press the "Refresh" button on your browser to generate a new problem.
Price of X in 2000: 26
Price of Y in 2000: 65
Price of X in 2001: 12
Price of Y in 2001: 66
Price of X in 2002: 28
Price of Y in 2002: 72
The base year is
2001
The representative basket of consumer goods is 20 units of X and 79 units of Y.
Find the CPI for all 3 years.
Find the inflation rate in 2001 and 2002.
Extra problem (if you have completed Chapter 9):
Nominal interest rate in 2001: 50%
Nominal interest rate in 2002: 89%
Find the real interest rate in both years
Scroll all the way down to see the solutions
CPI in 2000: 103.68536853685
CPI in 2001: 100
CPI in 2002: 114.55812247891
Inflation in 2001: -3.5543766578249%
Inflation in 2002: 14.558122478915%
Real interest rate in 2001: 55.528052805281%
Real interest rate in 2002: 64.981754161332%