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Question

The index number by the method of aggregates for the year 2010, taking 2000 as the base year, was found to be 116. If sum of the prices in the year 2000 is Rs. 300, find the values of x and y in the data given below:
CommodityABCDEF
Price in the year 2000(rs.)50x307011620
Price in the year 2010(rs.)
6024y8012028

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Solution

First we tabulate the given data in the following form:
Commodities Price in 2000 (in Rs.)
P0
Price in 2010 (in Rs.)
P1
A5060
Bx24
C30y
D7080
E116120
F2028
P0=286+xP1=312+y

Given: P0=300 286+x=300 x=14
Index number=116
Using P01=P1P0×100
116×312+y300×100
y=36
x=14 and y=36

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