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27 Mar 2020, 04:14
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B
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Difficulty:
65%
(hard)
Question Stats:
69% (02:57) correct
31%
(02:59)
wrong
based on 292
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A mixture of 240 liters contains milk and water in the ratio of 5 : 3. A milkman mixes some more water in it and claim to sell it at cost price. If cost price of pure milk is Rs. 20/liter and water is freely available and milkman made a total profit of 80% on cost price of pure milk then find amount of water he mixed in the milk.
(a) 20 liters
(b) 30 liters
(c) 35 liters
(d) 40 liters
(e) 45 liters
(a) 20 liters
(b) 30 liters
(c) 35 liters
(d) 40 liters
(e) 45 liters
28 Mar 2020, 21:37
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TheNightKing
In the 240 liters , pure milk is 150 liters and water is 90 Liters since ratio is 5:3
Let \(x\) be the liters of water added then
\(20(240+x)= \frac{180}{100}*150*20\)
\(x=30\)
Ans-B
Hope it's clear.
05 Aug 2020, 07:31
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240L of the mixture contains Milk and Water in the ratio 5:3
We have Selling price of the mixture (as per the milkman) = Actual profit made on pure milk
(1) Let x Liters of water be added
Then Total Mixture = 240 + x Liters
He professes to sell this mixture at cost price, i.e at Rs 20.
Therefore the Selling price (as per milkman) = (240 + x) * 20 = 4800 + 20x
(2) Amount of Milk = \(\frac{5}{8}\) * 240 = 150L
He sells the 150L at 80% profit on the Cost price.
80% profit on Rs 20 = 20 * \(\frac{180}{100}\) = Rs 36
Selling Price of 150L of pure milk = 36 * 150 = Rs 5400
Equating (1) and (2)
4800 + 20x = 5400
20x = 600
x = 30L
Option B
Arun Kumar
We have Selling price of the mixture (as per the milkman) = Actual profit made on pure milk
(1) Let x Liters of water be added
Then Total Mixture = 240 + x Liters
He professes to sell this mixture at cost price, i.e at Rs 20.
Therefore the Selling price (as per milkman) = (240 + x) * 20 = 4800 + 20x
(2) Amount of Milk = \(\frac{5}{8}\) * 240 = 150L
He sells the 150L at 80% profit on the Cost price.
80% profit on Rs 20 = 20 * \(\frac{180}{100}\) = Rs 36
Selling Price of 150L of pure milk = 36 * 150 = Rs 5400
Equating (1) and (2)
4800 + 20x = 5400
20x = 600
x = 30L
Option B
Arun Kumar
