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: 40
Price of Y in 2000: 89
Price of X in 2001: 56
Price of Y in 2001: 88
Price of X in 2002: 45
Price of Y in 2002: 30
The base year is
2002
The representative basket of consumer goods is 63 units of X and 55 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: 15%
Nominal interest rate in 2002: 23%
Find the real interest rate in both years
Scroll all the way down to see the solutions
CPI in 2000: 165.32887402453
CPI in 2001: 186.57748049052
CPI in 2002: 100
Inflation in 2001: 12.852326365475%
Inflation in 2002: -46.402963671128%
Real interest rate in 2001: 1.9030831739962%
Real interest rate in 2002: 129.49030100334%