PPSC Past Paper Monitoring Evaluation Assistant/Field Coordinator Punjab Employees Social Security Institution 2019 Solved MCQs, Maths MCQs, PPSC Solved Past Papers MCQsIn a 729 litres mixture of milk and water, the ratio of milk to water is 7 : 2. to get a new mixture containing milk and water in the ratio 7 : 3, the amount of water to be added is?A. 81 litres B. 71 litres C. 56 litres D. 50 litres The ratio, in which tea costing Rs. 192 per kg is to be mixed with tea costing Rs. 150 per kg so that the mixed tea when sold for Rs. 194.40 per kg, gives a profit of 20%.?___ are specially designed computer chips that reside inside other devices, such as your car or your electronic thermostat?