Leelanand Kumar
Leelanand Kumar
9 years ago

The cost of pure milk is Rs 16 per liter. On adding water, the mixture is sold at Rs 15 per liter. In this way, the milkman earns 25% profit. What is the ratio of milk and water in the mixture?

A. 25 : 7

B. 7 : 25

C. 15 : 1

D. 1 : 15

E. None of these

Solution(By Examveda Team)

Let X is the cost of pure Milk. Then,
Cost of Misture,
X + 25% of X = 15
100X + 25X = 15*100
125X = 15 *100
X = (15 *100)/125 = Rs. 12.
So, Milk of Rs. 12 sold at Rs. 15.
Part of Milk buyer gets in 12,
In Rs. 16 = 1 lit milk.
So, in 12 = 12/16 = 3/4 part milk he gets and 1/3 part water.
Therefore ratio Milk : water
3/4 : 1/3
= 3 : 1.

 


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Comments ( 4 )

  1. Kumar Chandan
    Kumar Chandan :
    8 years ago

    Consider CP=16 for him to get 25% profit hes to sell the milk at 20/L but as he is selling at 15/L so he is putting on 3/4L of milk and the remaining is water which is 1/4 Therefore the ratio comes out to be 3:1.

  2. Mjithin
    Mjithin :
    8 years ago

    Normally he can sell it for 16 * 125/100 =20 per liter
    but selling for Rs 15 .5/15 as water
    ie, 1/3 water. so.water : milk = 3:1

  3. Deepak Kumar
    Deepak Kumar :
    8 years ago

    None of these

  4. Md. Yousuf
    Md. Yousuf :
    8 years ago

    E) None of these. The answer is 3:1 .
    The equation is like this.
    16x=15(x+y)*100/125 [Where quantity of milk=x and water=y]

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