Conversion of chain base index numbers into fixed base index numbers
| Year | Index |
| 2009 | 120 |
| 2010 | 132 |
| 2011 | 96 |
| 2012 | 144 |
| 2013 | 138 |
| 2014 | 108 |
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 |
| 2009 | 120 | `=120` |
| 2010 | 132 | `(132xx120)/100=158.4` |
| 2011 | 96 | `(96xx158.4)/100=152.064` |
| 2012 | 144 | `(144xx152.064)/100=218.9722` |
| 2013 | 138 | `(138xx218.9722)/100=302.1816` |
| 2014 | 108 | `(108xx302.1816)/100=326.3561` |
This material is intended as a summary. Use your textbook for detail explanation.
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