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Question

A 25 litre milk water solution contains 20% water. How much water should be added to the solution so that the ratio of milk to water in the resulting solution becomes 2 : 1?

एक 25 ली. दूध पानी के मिश्रण में 20% पानी है। मिश्रण में कितना पानी मिलाया जाये कि मिश्रण में दूध तथा पानी का अनुपात 2 : 1 हो जाये?

A
5L

5 ली.
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B
10L

10 ली.
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C
7L

7 ली
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D
14L

14 ली.
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Solution

The correct option is A 5L

5 ली.
Let the amount of water to be added be ‘x’ L
25×0.825×0.2+x21x=5 Litre

माना कि मिलाए गए पानी की मात्रा ‘x’ ली. है।
25×0.825×0.2+x21x=5 लीटर

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