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If the cost of 1 litre of milk is RS. then, what is the cost of litres of milk?

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Rs. 820

Rs.. 320

Rs. 120

Rs. 220

answer is C.

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Detailed Solution

Concept- This problem is first solved by converting the given mixed fractions into proper fractions.
Converting a mixed fraction to a proper fraction is as simple as

We can easily find the required value after converting the mixed fractions to proper fractions.
We use the condition that if cost of one litre is

then the cost of

litres is

1 litre milk cost

Then

=120
So, cost of

litres of milk is Rs 120.
Hence, the correct option is 3.

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