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Three essential commoditites, the quanti...

Three essential commoditites, the quantities of their consumption and their prices in the years 2006 and 2007 are listed below. The cost of living index for the years 2006 and 2007 is calculated on the prices of these three commodities only.
ltimg src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/PS_MATH_IX_C18_E06_002_Q01.png" width="80%"gt
Find the cost of living index of the year 2007, taking 2006 as the bae year.

A

200

B

100

C

150

D

50

Text Solution

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The correct Answer is:
A
(i) Find the total expenditure in 2006 and 2007.
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