Multiple choice

A milkman purchased milk at Rs. 4 per litre and mixed 20% water in it. Find the gain % if the diluted milk is sold at Rs. 5 per litre.

  1. 200%

  2. 50%

  3. 20%

  4. 33.33%
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let the quantity of milk purchased  = 100 ml  so the cost of milk at the rate of Rs. 4 per iltre is = 4 x 100 =                                                                                                    Rs400                     Quantity of water added 20%                         it means 20 ml of water in 100 ml                      Now quantity of milk after adding water = 100 + 20                                                                                         = 120 ml      Selling price of  milk at the rate of Rs 5 is 5 x 120= Rs.600

            Selling price > cost price            so gain      Gain = Selling Price - Cost Price               = Rs. 600 - Rs. 400                =Rs. 200       Gain %   =   Gain /Cost Price x 100                        = 200 / 400 x 100                              =      50 %

 

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