Question : In what ratio must water be mixed with milk worth Rs. 50 per litre so as to produce a mixture worth Rs. 35 per litre? (water is available free of cost)
Option 1: 3 : 7
Option 2: 7 : 5
Option 3: 3 : 5
Option 4: 2 : 7

Question

Question : In what ratio must water be mixed with milk worth Rs. 50 per litre so as to produce a mixture worth Rs. 35 per litre? (water is available free of cost)

Option 1: 3 : 7

Option 2: 7 : 5

Option 3: 3 : 5

Option 4: 2 : 7

Team Careers360 · Accepted Answer

Correct Answer: 3 : 7

Solution : Given,
Cost of water = Rs. 0 per litre
Cost of milk = Rs. 50 per litre
Cost of mixture = Rs. 35 per litre
$ herefore\frac{ ext{Quantity of Water}}{ ext{Quantity of Milk}}$
$=\frac{ ext{Cost Price of Milk – Cost Price of Mixture}}{ ext{Cost Price of Mixture – Cost Price of Water}}$
$=\frac{50-35}{35-0}$
$=\frac{15}{35}$
$=\frac{3}{7}$
Hence, the correct answer is 3 : 7.

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Question : In what ratio must water be mixed with milk worth Rs. 50 per litre so as to produce a mixture worth Rs. 35 per litre? (water is available free of cost)Option 1: 3 : 7Option 2: 7 : 5Option 3: 3 : 5Option 4: 2 : 7

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Question : In what ratio must water be mixed with milk worth Rs. 50 per litre so as to produce a mixture worth Rs. 35 per litre? (water is available free of cost)
Option 1: 3 : 7
Option 2: 7 : 5
Option 3: 3 : 5
Option 4: 2 : 7