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The quantities consumed and the cost per...

The quantities consumed and the cost per kg of the commodities for the years 1986 and 1995 are given in the table below:

The cost of living indext for the year 1995 taking 1986 as the base year is equal to `"_______".`

A

`139.00`

B

`139.75`

C

`193.50`

D

`139.25`

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The correct Answer is:
B
Find the total costs in 1986 and in 1995.
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