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To gain 10% on selling the mixture of milk and water at the cost price of pure milk, the quantity of water to be mixed with 50 kg of pure milk is = ?

12.5 kg
25 kg
37.5 kg
410 kg

Answer:- 4

Explanation:-

Solution:

Let cost price of 1 kg = Rs. 1
Cost price of 50 kg = Rs. 50

\Rightarrow Profit = 10 100 \times 50 = Rs . 5 ∴ Quantity to added = 5 1 = 5 kg

$\eqalign{ & \Rightarrow {\text{Profit}} = \frac{{10}}{{100}} \times {\text{50}} \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = {\text{Rs}}{\text{. 5}} \cr & \therefore {\text{Quantity to added}} \cr & = \frac{5}{1} = {\text{5 kg}} \cr}$

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", "dateCreated": "7/24/2019 10:09:12 AM", "author": { "@type": "Person", "name": "Nitin Sir" } }, "suggestedAnswer": { "@type": "Answer", "text": "

Solution:

Let cost price of 1 kg = Rs. 1
Cost price of 50 kg = Rs. 50

\Rightarrow Profit = 10 100 \times 50 = Rs . 5 ∴ Quantity to added = 5 1 = 5 kg

$\eqalign{ & \Rightarrow {\text{Profit}} = \frac{{10}}{{100}} \times {\text{50}} \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = {\text{Rs}}{\text{. 5}} \cr & \therefore {\text{Quantity to added}} \cr & = \frac{5}{1} = {\text{5 kg}} \cr}$ ", "dateCreated": "7/24/2019 10:09:12 AM" } }

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