If 'white' is called 'bird', 'bird' is called 'mercury', 'mercury' is called 'curd', 'curd' is called 'detergent' and 'detergent' is called 'white', then which of the following is used in 'thermometers'?
curd
Understanding Word Substitution Puzzles
This question is an example of a word substitution or coding puzzle. In these types of questions, common words are given new, made-up names. To solve them, you first need to figure out what the question is asking in the real world, and then apply the given code to find the coded name for the real item.
Identifying the Real Item in a Thermometer
The question asks what is used in 'thermometers'. In reality, a substance commonly used in traditional thermometers to measure temperature is mercury. Mercury expands and contracts with temperature changes, which is how the thermometer works.
Applying the Word Substitution Code
Now we need to look at the code provided in the question to see what 'mercury' is called according to the rules:
- 'white' is called 'bird'
- 'bird' is called 'mercury'
- 'mercury' is called 'curd'
- 'curd' is called 'detergent'
- 'detergent' is called 'white'
According to the code, 'mercury' is called 'curd'.
Determining the Coded Answer
Since mercury is used in thermometers, and the code says 'mercury' is called 'curd', then according to the rules of this puzzle, 'curd' is used in 'thermometers'.
Analyzing the Options
Let's look at the given options:
- detergent: The code says 'curd' is called 'detergent'. This is not what mercury is called according to the rule for 'mercury'.
- curd: The code says 'mercury' is called 'curd'. This matches our finding based on the real item used in thermometers.
- mercury: This is the real substance, but the question asks for its coded name within the puzzle's rules.
- white: The code says 'detergent' is called 'white'. This is not the coded name for mercury.
Based on the word substitution rules, the correct answer is 'curd'.
| Real Word | Called As |
|---|---|
| white | bird |
| bird | mercury |
| mercury | curd |
| curd | detergent |
| detergent | white |
Revision Table: Thermometer Word Puzzle Logic
| Concept | Explanation |
|---|---|
| Puzzle Type | Word substitution or coding puzzle |
| Key Step 1 | Identify the real object or concept asked about. |
| Key Step 2 | Find the specific rule in the code that applies to the real object. |
| Key Step 3 | Use the code to find the new name for the real object. |
| Real Item in Thermometer | Mercury |
| Code for Mercury | 'mercury' is called 'curd' |
| Coded Answer | Curd |
Additional Information: Mercury and Logic Puzzles
Mercury is a chemical element, symbol Hg. It's a dense, silvery liquid metal at standard temperature and pressure, famously used in older thermometers due to its thermal expansion properties. However, due to its toxicity, its use in consumer products like thermometers has decreased significantly.
Word coding or substitution puzzles are a common type of logical reasoning question. They assess your ability to disregard the common meaning of words and strictly apply a given set of rules or a code to find the answer within the puzzle's artificial context. The key is to focus on the rule that connects the real item to its coded name.
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Important Questions from Coding By Analogy
If ‘black’ is called ‘red’, ‘red’ is called ‘white’, ‘white’ is called ‘brown’, ‘brown’ is called ‘yellow’, ‘yellow’ is called ‘blue’ and ‘blue’ is called ‘green’, then what is the colour of blood?
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If ‘book’ is a table, ‘table’ is a ‘fan’, ‘fan’ is a ‘chair’ and ‘chair’ is a ‘pencil’, on which of the following will a person sit?
If banana is apple, apple is grapes, grapes is litchi, litchi is nuts, nuts is guava, which of the following is a yellow fruit?
In a code language, monkey is called lion, lion is called tiger, tiger is called elephant, and elephant is called bison. Then, as per the words used in that code language, which one of the following will have black and yellow stripes over its body?
