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Question 1
How many liters of oil at Rs.40 per liter should be mixed with 240 liters of a second variety of oil at Rs.60 per liter so as to get a mixture whose cost is Rs.52 per liter?
Question 2
In what proportion must a grocer mix sugar at Rs.12/kg and Rs.7/kg so as to make a mixture worth Rs.8/kg?
Question 3
The ratio in which two sugar solutions of the concentrations 25% and 40% are to be mixed to get a solution of concentration 30% is:
Question 4
The water supplied to a water filtration company has 20% of chlorine. According to the regulations, the water can contain only 2% of chlorine after filtration. How many litres of water is required from the supply to produce 30 litres of filtered water?
Question 5
A mixture is composed of 11 parts of pure milk and 2 parts of water. If 35 litres of water was added to the mixture then the new mixture will contain twice as much pure milk as water, then how many litres of pure milk does the original mixture contain?
Question 6
Two types of tea costing 180/kg and 280/kg should be mixed in the ratio so that the mixture obtained sold at 320/kg. to earn a profit of 20% is?
Question 7
The ratio of petrol and kerosene in the container is 3:2. When 10 liters of the mixture is taken out and is replaced by the kerosene, the ratio become 2:3. Then total quantity of the mixture in the container is:
Question 8
A car agency has 108 cars. He sold some cars at 10 % profit and some cars at 19 % profit. If the overall profit on the sale of cars is 16%, then find the number of cars sold at 19% profit.
Question 9
A vessel contains 240 litres of mixture containing milk and water in the ratio of 5: x, respectively. 48 litres of mixture is taken out from this vessel and put into another vessel P. When 12 litres of water is added in vessel P then ratio of milk to water is found to be 2: 1, respectively. Find the value of x.
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Mar 28SSC & Railway
