self Maths Puzzle undefined

A mixture of 70 litres of wine and water contains 10% water. How much water should be added to make 25% water in the resulting mixture?

Read Solution (Total 1)

self Other Question

A shopkeeper sold 45 kg.of goods. If he sells some quantity at a loss of 3% and rest at 17% profit, making 5% profit on the whole, find the quantity sold at profit.
A man purchased a horse and a cow for Rs. 5000. He sells the horse at 20% profit and the cow at 10% loss. If he gains 2% on the whole transaction, the cost of the horse is