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Question 1
In what ratio must Milan mix two kinds of coffee costing 50Rs/kg, 70Rs/kg so that the resultant mixture when sold at 72Rs/kg yields a profit of 20%?
Question 2
In a mixture of 90 L, the ratio of milk and water is 2 : 1. What amount of water should be added further to make the ratio of milk and water 1 : 2?
Question 3
A and B are two alloys of gold and copper prepared by mixing metals in the ratio 7: 2 and 7:11, respectively. If equal quantities of alloys are melted & mixed to form a third alloy C. Then the ratio of gold and copper in C will be how much?
Question 4
Two types of tea costing Rs 126/kg and Rs135/kg are mixed with a third variety of tea in the ratio 1:1:2. If the mixture is Rs153/kg Find the rate of third variety of tea.
Question 5
A mixture contains wine and water in the ratio 3: 2 and another mixture contains them in the ratio 4 : 5. How many liters of the latter must be mixed with 3 litres of the former so that the resulting mixture may contain equal quantities of wine and water?
Question 6
In what ratio must 25% of alcohol be mixed with 50% of alcohol to get a mixture of 40% strength alcohol?
Question 7
A container contains a mixture of milk and water, in which milk is 60 % of the total quantity. 48 litre of another mixture which contains milk and water in the ratio of 5:7, is mixed in it and then the ratio of milk and water becomes 14:13. Then find the initial quantity of the mixture in the container.
Question 8
A shopkeeper sells oil at 10% profit but he mixes low quality of oil equal to one-fourth of good quality of oils. If the price of the low quality of the oil is four-fifth of that of good quality of oil, what percentage of the profit is the shopkeeper really getting?
Question 9
A crooked milkman mixes 2 liter of water in 20 liter of milk for general distribution while for supplying to hotels, he mixes 1 liter of water in 15 liter of milk. One day, by accident he mixed equal amount of the two types of milk water mixture. Find the ratio of water and milk in the final mixture.
Question 10
In a container, the ratio of milk and water is 6:1. Now if we take out 28 lit mixture and the same quantity of milk is added in the container, the ratio becomes 13:2. Again if 15 lit. of the mixture is taken out from the container then find the remaining litre of milk in the container.
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May 29SSC & Railway
