Conversion of chain base index numbers into fixed base index numbers
| Year | Index |
| 2008-09 | 126 |
| 2009-10 | 130.8 |
| 2010-11 | 143.3 |
| 2011-12 | 156.1 |
| 2012-13 | 167.6 |
| 2013-14 | 177.6 |
| 2014-15 | 181.2 |
| 2015-16 | 177.2 |
Solution:Conversion of chain base index numbers into fixed base index numbers :Since base year is not mentioned here, So we will take 100 as the chain base index number for first year
`"Fixed base index number"=(("Chain base index number of current year")xx("Fixed base index number of preceding year"))/100`
| Year | Chain base index number | Fixed base index number |
| 2008-09 | 126 | `=126` |
| 2009-10 | 130.8 | `(130.8xx126)/100=164.808` |
| 2010-11 | 143.3 | `(143.3xx164.808)/100=236.1699` |
| 2011-12 | 156.1 | `(156.1xx236.1699)/100=368.6612` |
| 2012-13 | 167.6 | `(167.6xx368.6612)/100=617.8761` |
| 2013-14 | 177.6 | `(177.6xx617.8761)/100=1097.348` |
| 2014-15 | 181.2 | `(181.2xx1097.348)/100=1988.3945` |
| 2015-16 | 177.2 | `(177.2xx1988.3945)/100=3523.435` |
This material is intended as a summary. Use your textbook for detail explanation.
Any bug, improvement, feedback then