A Compact And Comprenensive Book Of IIT Foudation Mathematic VII

Key Concepts have been given at the beginning of each chapter to facilitate thorough revision and recall. Contains large number of Solved Examples and Practice Questions

A sugar solution of 3 litres contains 40% sugar. One litre of water is added to this
solution. What is the percentage of sugar in the new solution? In 3 litres sugar
solution, sugar = 40% of 3 litres = 1.2 litres As 1 litre water is added to the sugar ...