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Question

The price of six different commodities for year 2009 and year 2011 are as follows:
CommoditiesABCDEF
Price in 2009(Rs)3580253080x
Price in 2011(Rs)50y4570120105
The Index number for the year 2011 taking 2009 as the base year for the above data was calculated to be 124. Find the values of x and y if the total price in 2009 is Rs.360

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Solution

CommoditiesPrices in 2009Prices in 2011
A3550
B80y
C2545
D3070
E80120
Fx105
P0=250+xP1=390+y

Given, P0=360
x+250=360
x=110

P1P0×100=P01

390+y360×100=125

390+y=125×360100

390+y=450

y=60

Hence, the value of x is Rs.110 and y is Rs.60.

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