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Question 1
How many litres of water should be added to a 20-litre mixture of water and milk in the ratio of 3: 7 such that the resultant mixture has 40% water in it?
Question 2
The proportion of milk and water in 3 samples is 2 : 1, 3 : 2 and 5 : 3. A mixture comprising of equal quantities of all 3 samples is made. What is the proportion of milk and water in the mixture?
Question 3
In two types of bronze, ratio of copper and tin are 7 : 3 and 13 : 7 respectively. The ratio in which these two types of bronze should be mixed, so that the ratio of copper and tin in this new type of bronze becomes 2 : 1 is
Question 4
The cost of pure milk is Rs 16 per litre. After adding water, the mixture is sold at Rs 15 per litre. In this way, the milkman earns 25% profit. What is the ratio of milk and water in the mixture?
Question 5
Two containers contain spirit of 0.5 and 0.75 concentrations. If 2 liters from the 1st container and 3 liters from the 2nd container are mixed, then what will be ratio of spirit and water in the resultant solution?
Question 6
In a mixture of water and spirit, the ratio of water and spirit is 4 : 1 and in another mixture, the ratio of water and spirit is 3 : 7. If 1 litre of the first mixture is added to 2 litres of the second mixture, then find the ratio of water and spirit in resultant mixture?
Question 7
400 litres of a mixture contains milk and water in the ratio 17 : 3. After the addition of some more milk to it, the ratio of milk to water in the resulting mixture becomes 7 : 1. The quantity of milk added to it was
Question 8
A huge jar contains 2 liquids J and K in the ratio 3:5 to full of its capacity. When 32 litres of mixture is removed and replaced by J, the ratio now becomes 5: 3. what is the capacity of the vessel (in litres)?
Question 9
A bucket contains a mixture of two liquids A and B in the proportion 7 : 5 . If 9 litres of the mixture is replaced by 9 litres of liquid B, then the ratio of the two liquid becomes 7 : 9. How much of the liquid A was there in the bucket?
Question 10
A waiter stole a Scotch from the butt of sherry which contained 30% of Spirit. He replaced what he stole by scotch containing 18 % of spirit. The butt strength was then 22%. How much of the butt did he steal?
Question 11
Two equal glasses are 1/3rd and 1/4th full of milk respectively. Now their empty portion is completely filled up with water. The contents are then mixed up in another vessel. What will be the ratio of milk and water in the vessel?
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Mar 11SSC & Railway
