Conversion of chain base index numbers into fixed base index numbers
| Year | Index |
| 2008-09 | 134.8 |
| 2009-10 | 115.28 |
| 2010-11 | 115.57 |
| 2011-12 | 107.29 |
| 2012-13 | 109.91 |
| 2013-14 | 112.80 |
| 2014-15 | 106.24 |
| 2015-16 | 102.48 |
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 | 134.8 | `=134.8` |
| 2009-10 | 115.28 | `(115.28xx134.8)/100=155.3974` |
| 2010-11 | 115.57 | `(115.57xx155.3974)/100=179.5928` |
| 2011-12 | 107.29 | `(107.29xx179.5928)/100=192.6851` |
| 2012-13 | 109.91 | `(109.91xx192.6851)/100=211.7802` |
| 2013-14 | 112.8 | `(112.8xx211.7802)/100=238.8881` |
| 2014-15 | 106.24 | `(106.24xx238.8881)/100=253.7947` |
| 2015-16 | 102.48 | `(102.48xx253.7947)/100=260.0888` |
This material is intended as a summary. Use your textbook for detail explanation.
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