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16 Nov 2023, 02:30
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
75% (01:20) correct
25%
(01:59)
wrong
based on 126
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Water reaches its freezing point at 32 degrees Fahrenheit. Below this level it is solid, whereas above it is liquid. Water boils at 212 degrees Fahrenheit.
The statements above, if true, best support which of the following as a conclusion?
A. Adding salt to water lowers its freezing point.
B. Captains of boats, which can only sail in water when it is liquid, had better make sure that the temperature of the water they wish to sail in hasn't dropped below 32 degrees Fahrenheit, especially during the winter and in cold regions.
C. Though water boils at 212 degrees Fahrenheit, it starts to evaporate long before it reaches such heat.
D. Since water is a liquid between 32 and 212 degrees Fahrenheit, within this range, with a safety range of 20 degrees Fahrenheit below boiling point, it can be used as an alternative energy force.
E. The higher the temperature of the water above 212 degrees Fahrenheit, the less time it will take to evaporate.
The statements above, if true, best support which of the following as a conclusion?
A. Adding salt to water lowers its freezing point.
B. Captains of boats, which can only sail in water when it is liquid, had better make sure that the temperature of the water they wish to sail in hasn't dropped below 32 degrees Fahrenheit, especially during the winter and in cold regions.
C. Though water boils at 212 degrees Fahrenheit, it starts to evaporate long before it reaches such heat.
D. Since water is a liquid between 32 and 212 degrees Fahrenheit, within this range, with a safety range of 20 degrees Fahrenheit below boiling point, it can be used as an alternative energy force.
E. The higher the temperature of the water above 212 degrees Fahrenheit, the less time it will take to evaporate.
16 Nov 2023, 05:01
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Imo option B as it is directly supported by the information given; water must be above 32 degrees Fahrenheit to be in a liquid state, which is necessary for sailing.
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03 Dec 2023, 02:00
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OFFICIAL EXPLANATION
Water reaches its freezing point at 32 degrees Fahrenheit. Below this level it is solid, whereas above it is liquid. Water boils at 212 degrees Fahrenheit.
The statements above, if true, best support which of the following as a conclusion?
A. Adding salt to water lowers its freezing point.
Incorrect.
This is an Inference Question, so it is made up of premises only; you need to find a conclusion stemming from those premises, or in other words, to take one small step forward and draw a conclusion:
- Premise A: Water freezes at 32 degrees Fahrenheit.
+
Premise B: Below 32 degrees it is a solid.
+
Premise C: Above 32 degrees it is a liquid.
+
Premise D: Water boils at 212 degrees Fahrenheit.
=
Conclusion: ?
We are told nothing of the effect of salt on water. New premises are not acceptable answers to inference questions. Remember, we are looking for a conclusion, not a premise.
B. Captains of boats, which can only sail in water when it is liquid, had better make sure that the temperature of the water they wish to sail in hasn't dropped below 32 degrees Fahrenheit, especially during the winter and in cold regions.
If water is solid below 32 degrees Fahrenheit (Premise B) and above that point it is liquid (Premise C), boats' captains must check that the temperature isn't below 32 degrees Fahrenheit or their boats will get stuck.
C. Though water boils at 212 degrees Fahrenheit, it starts to evaporate long before it reaches such heat.
Incorrect.
This is an Inference Question, so it is made up of premises only; you need to find a conclusion stemming from those premises, or in other words, to take one small step forward and draw a conclusion:
- Premise A: Water freezes at 32 degrees Fahrenheit.
+
Premise B: Below 32 degrees it is a solid.
+
Premise C: Above 32 degrees it is a liquid.
+
Premise D: Water boils at 212 degrees Fahrenheit.
=
Conclusion: ?
Though boiling is indeed a form of evaporation, to conclude that water starts evaporating long before then is a leap. Remember, we are looking for a small step forward.
D. Since water is a liquid between 32 and 212 degrees Fahrenheit, within this range, with a safety range of 20 degrees Fahrenheit below boiling point, it can be used as an alternative energy force.
Incorrect.
We are told nothing of liquids as energy sources. In GMAT logic, this is still too much of a leap. Remember: one small step is all you need.
E. The higher the temperature of the water above 212 degrees Fahrenheit, the less time it will take to evaporate.
Incorrect.
We are told nothing of the relation between the temperature of water above 212 degrees Fahrenheit and the time it takes to evaporate. This answer choice takes too far a leap from what is given in the premises.
