R live on 6th floor. T lives immediately below R. Only two persons live between R and U. V live above U but not at the topmost floor. 
W cannot sit on topmost floor because no two persons according to alphabetical order live adjacent to each other 
A jar contains a mixture of milk and water in the ratio 10:3, respectively. If 8-litres of the mixture is taken out, then the quantity of water left in ...
In a mixture of 45 litres, the ratio of wine to water is 2 : 3. If this ratio is to be 1 : 3, then what is the quantity of water needed to be added?
Milk and water are mixed in vessel A in the ratio of 5:2 and in vessel B in the ratio of 8 : 5. In what ratio should quantities be taken from the two v...
Two vessels 'A' and 'B' contains 480 litres, each of pure milk and pure water, respectively. 120 litres of milk is withdrawn from vessel 'A' and poured ...
96 litres mixture of milk and water is mixed in an empty container in the ratio 5:3, respectively. If 24 litres of mixture is replaced with 24 litres of...
Mixture ‘A’ contains 80% acetone and rest 32 litres water. Mixture ‘B’ contains 70 litres acetone and rest 50% water. When two mixtures are mixe...
Lala has lent Rs. 30,000 to Murali and Bansi at 7% p.a. and at 11% per annum respectively. At the end of the year, he has gained an overall interest at...
Quantity of water in a 300 litres mixture (alcohol + water) is 40 litres less than the quantity of alcohol in it. Find the quantity of water to be mixed...
A certain quantity of a 35% sugar solution is mixed with 10 liters of a 48% sugar solution to obtain a 40% sugar solution. How many liters of the 35% su...
