Milk is sold at Rs 1034 per liter, Find the cost of 625 liters of milk.
A milk man has 20 liters of milk. If he mixes 5 liters of water, which is freely available, in 20 liters of pure milk.If the cost of pure milk is Rs.18 per liter,then find the profit of the milkman, when he sells all the mixture at same cost price.