From the following data, using weighted average method, calculate the cost of living index for the year 2006, taking 2002 as the base year.

Calculate the cost of living indext for the year 2008 taking 2000 as the base year from the following information.

Calculate the cost of living index for the following data:

A shopkeeper sold certain articles. Cost price of each article and the number of articles sold are given below. Calculate the cost of libing index for the year 2006 taking 1999 as the base year (approximately).

Calculate the Cost of Living Index from the following data:

On certain consumable goods, the total expenditure of a family was found to be Rs. 18,000 in the year 2005. If the cost of living index for the year 2006, taking 2005 as the base year, is 240, then find the expenditure of the family on the same quantity of consumable items in the year 2006.

Calculate the cost of living index number from the following group data:

Calculate the Cost of Living Index Number for the following data.