When the year 2000 is taken as the base year, the cost of living index is increased by 20% from 2006 to 2007. If the total expenditure in the base year is Rs. 20,000, and the cost of living index of 2007 is 210, then the total expenditures (in Rs.) in the years 2006 and 2007 are____.

The ratio of the total expenditure for the years 2000 and 2006 is 5 : 8 . The cost of living index of 2006, taking 2000 as the base year, is ____

If the total expenditures in the base year and current year are equal, then its index number is ___.

The year for which we calculate the cost of living index is referred as ___ year.

If the cost of living index of a certain year is 180 and the expenditure in the current year is Rs. 36,000, then the expenditure in the base year is ___.

The ratio of the total expenditures of a family for the years 2002 and 2007 is 4 :7 . Find the cost of living index for the year 2007, taking 2002 as the base year.

The cost of living index in the year 2006, taking 2004 as the base year, on certain commodities is 162.75. If the total expenditure in 2004 was Rs. 12,500, then find the total cost for the same commodities in the year 2006.

The total expenditure of a family 2003 was Rs. 15,000. Taking this year as the base year, the cost of living index in 2007 and 2008 were cacluated. The cost of living index 2008 were calculated. The cost of living index 2008 was 25% more than that in 2007. The cost of living index in 2008 was 160. Find the total expenditure of the family in 2007. (in Rs.)

The total expenditure of a family in 1920 is Rs. 8,000. The cost of living indext for the year 1920 taking 1910 as the base year is 160. Then the expenditure of the family in the year 1910 was "_______".

The total expenditure of a certain family was Rs. 13, 090 in the year 2000. If the cost of living index in the year 2006, when compared to the cost in the year 2000, is 120, then the total expenditure in the current year is ____. (in Rs. )