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: 15

Price of Y in 2000: 20

Price of X in 2001: 59

Price of Y in 2001: 78

Price of X in 2002: 31

Price of Y in 2002: 55

The base year is

2002

The representative basket of consumer goods is 49 units of X and 27 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: 27%

Nominal interest rate in 2002: 85%

Find the real interest rate in both years



Scroll all the way down to see the solutions

















































CPI in 2000: 42.443408788282

CPI in 2001: 166.344873502

CPI in 2002: 100

Inflation in 2001: 291.92156862745%

Inflation in 2002: -39.883930358215%

Real interest rate in 2001: -67.595557334401%

Real interest rate in 2002: 207.7380159787%