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Index Numbers — Economics STD 11 Commerce — Question

CBSE BoardEnglish MediumSTD 11 CommerceEconomicsIndex Numbers1 Mark
Question
How is rate of inflation calculated?
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Answer

The rate of inflation is calculated using the following formula:$=\frac{\text{X}_\text{t}-\text{X}_\text{t-1}}{\text{X}_\text{t}-1}\times100.$

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