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Tag: #addmaths

AddMaths: Index Number (10.2)

What is composite index? Composite index also known as average price index. What is weightage? Weightage can be in the form of numbers, ratios, percentage or reading from pie chart

AddMaths: Index Number

What is index number? Why we need to learn about index number? The earliest recorded calculation of index number was in 1750. There are varieties of index number with different