A dishonest milkman buys milk at Rs. 20 per litre and adds 1/3 of water to it and sells the mixture at Rs. 24 per litre. What is his gain?
1). 25 percent
2). 60 percent
3). 37.5 percent
4). 66.67 percent
Three bottles of equal capacity have mixture of milk and water in ratio 5 : 7, 7 : 9 and 2 : 1 respectively. These three bottles are emptied into a large bottle. What is the percentage of milk in the new mixture?
1). 49.6
2). 52.3
3). 51.2
4). 50.7
A mixture contains Pepsi and water in ratio 5 : 2. It contains 15 litres more Pepsi than water. If 5 litres of water is added to the mixture. Find the new ratio of Pepsi and water in the mixture?
1). 4 : 5
2). 5 : 3
3). 3 : 5
4). 5 : 4
A 450 ml mixture of two liquids contains 30% liquid A and the rest is liquid B. How much liquid B must be added so that the mixture contains 80% liquid B?
450 kg of type 1 rice of price Rs. 96 per kg and 550 kg of type 2 rice are mixed. The average price of the mixture is Rs. 66.30. What is the price per kg of type 2 rice?