Question
Seven persons D, E, F, G, H, I and J live on seven
different floors of a building such that bottommost floor is numbered as 1, the floor immediately above it is numbered as 2 and so on. I lives three floors above J. H lives two floors below J. G lives immediately below E. D lives above F. D doesn't live on the topmost floor. Who among the following lives on 3rd floor?Solution

A solution contains sugar and water in the ratio of 3:2. After removing 15 ml of this solution and adding 12 ml of sugar, the new ratio becomes 5:2. Wha...
A container holds 'x' liters of a mixture composed of liquids A and B in a 5:2 ratio. If 25% of this mixture is removed and then 6 liters of liquid B ar...
In a mixture of milk and water, the amount of milk is (p + 40) and the amount of water is 40 litres. After adding 20Â litres of m...
Two alloys A and B are made of copper and zinc only. In alloy A, copper and zinc are in the ratio 3 : 5. In alloy B, they are in the ratio 7 : 5. How ma...
A vessel contains 210 litres of milk and water in the ratio of 5:2. If 10 litres of milk is added to the mixture, then find the ratio of milk to water i...
- The ratio of milk to water is 1:2. When 1 litre of milk and 1 litre of water are added, the new ratio becomes 2:3. Find the initial quantity of the mixture...
A mixture contains ‘x’% milk. 30% of this mixture is taken out and is replaced with same quantity of water. This procedure is repeated two more time...
In a milk-water mixture, milk : water = 5 : 2. If 7 litres of water is added, the ratio becomes 5 : 3. Find the initial quantity of the mixture.
A 300 ml mixture consists of cow's milk and buffalo's milk. Cow's milk contains 10% fat, while buffalo's milk contains 15% fat. The total fat content in...
A vessel contains 360 litres of milk and water in the ratio of 7:5. If 15 litres of milk is added to the mixture, then find the ratio of milk to water i...