Question

Gautam buys 20 litres of milk for 400. How many litres of water should be added to it, so that by selling
the mixture at cost price, he can make 25% profit?​

Answer 1

Given : Gautam buys 20 litres of milk for ₹400.

To Find : How many litres of water should be added to it, so that by selling the mixture at cost price, he can make 25% profit?​

Solution:

Cost price of Milk = Rs 400

MIlk  =  20 Litre

Cost price per litre = 400/20 = Rs 20

Profit to make = 25 %

Profit = (25/100)400 = Rs 100

Selling Price = 400 + 100 = Rs 500

Selling Price per liter = Cost Price Per litre = Rs 20

Mixture to be Sold = 500/20   = 25 Litre

Milk available = 20 litre

Water to be added =  25 - 20   = 5 Litre

5  liters of water should be added to it

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