# IAS 2012 Prelims Solved Paper II Aptitude (Part 14 of 18)

1. Two glasses of equal volume are respectively half and three-fourths filled with milk. They are then filled to the brim by adding water. Their contents are then poured into another vessel. What will be the ratio of milk to water in this vessel?

1. 1: 3

2. 2: 3

3. 3: 2

4. 5: 3

2. Consider the following statements:

1. All machines consume energy.

2. Electricity provides energy.

3. Electrically operated machines are cheap to maintain.

4. Electrically operated machines do not cause pollution.

Which one of the following inferences can be drawn from the above statements?

1. All machines are run by electric energy.

2. There is no form of energy other than electricity.

3. Most machines are operated on electric energy.

4. Electrically operated machines are preferable to use.

3. Examine the following statements:

1. None but the rich can afford air-travel.

2. Some of those who travel by air become sick:

3. Some of those who become sick require treatment.

Which one of the following conclusions can be drawn from the above statements?

1. All the rich persons travel by air.

2. Those who travel by air become sick.

3. All the rich persons become sick.

4. All those who travel by air are rich.