Understanding the Analogy: Knife and Pen

The question asks us to find the related word for 'Pen' based on the relationship between 'Knife' and 'Cut'. This type of question is known as an analogy, where you identify the relationship between the first pair of words and apply the same relationship to the second pair.

Let's analyze the relationship given:

Knife : Cut

A knife is a tool. Its primary function or purpose is to cut things. So, the relationship is Tool : Function.

Applying the Relationship to Pen

Now, we need to apply the same Tool : Function relationship to the word 'Pen'.

Pen : ?

A pen is also a tool. What is the primary function or purpose of a pen?

We use a pen primarily for writing.

Therefore, the missing word should be 'Write'.

The analogy can be represented as:

\(\text{Knife} : \text{Cut} :: \text{Pen} : \text{Write}\)

Evaluating the Options for the Pen Analogy

Let's look at the given options to see which one fits the relationship we identified (Tool : Function):

1. Write: This is the primary function of a pen. This fits the relationship.
2. Wood: While some pens might be made of wood, 'Wood' is a material, not the function of a pen. This does not fit the relationship.
3. Join: 'Join' is a function, but it's not the function of a pen. Joining things is typically done with tools like glue or connectors. This does not fit the relationship.
4. Blue: 'Blue' is a color, which might be the color of ink in a pen, but it is not the function of the pen itself. This does not fit the relationship.

Comparing the options, 'Write' is the only word that represents the primary function of a pen, just as 'Cut' is the primary function of a knife. Thus, 'Write' is the correct word to complete the analogy.

Conclusion on the Pen and Knife Analogy

The relationship between Knife and Cut is that a Knife is used for Cutting. Applying the same relationship, a Pen is used for Writing. Therefore, the correct answer is Write.

Revision Table for Word Analogies

Additional Information on Solving Analogies

Word analogies are common in reasoning tests and help assess your vocabulary and ability to see relationships between concepts. To solve them effectively:

• Clearly identify the relationship between the first pair of words. Is it cause and effect, part and whole, tool and use, synonym/antonym, object and characteristic, etc.?
• Express this relationship in a simple sentence. For example, "A Knife is used to Cut."
• Apply the exact same sentence structure to the second pair of words. "A Pen is used to...?"
• Look at the options provided and find the word that logically completes the sentence and maintains the same relationship.
• Sometimes, there might be multiple potential relationships. Choose the most direct and common relationship between the words.