Handling Inference Questions

Inference questions are among the most challenging in Verbal Reasoning because they require you to go beyond what is explicitly stated in the passage. However, there is a critical distinction between a valid inference (a logical step from the evidence) and speculation (a guess based on assumptions). Understanding this distinction is the key to answering inference questions correctly.

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What Is an Inference?

An inference is a conclusion that logically follows from the information in the passage, even though it is not explicitly stated.

Three Levels of Information

Level	Description	Example
Stated	Directly written in the passage	"The population of the city grew by 12% between 2010 and 2020."
Inferred	Logically follows from what is stated	"The city experienced population growth during this decade." (Valid inference)
Speculated	Goes beyond what the passage supports	"The city will continue to grow at the same rate." (Not supported — this is speculation)

The Golden Rule

A valid inference requires only a small, logical step from the passage. If the inference requires a chain of assumptions, external knowledge, or creative reasoning, it is speculation — and it is wrong.

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Inference in True/False/Can't Tell Questions

Inference plays a critical role in TFC questions because the boundary between "True" and "Can't Tell" often depends on whether a small inference is justified.

When Inference Makes a Statement "True"

A statement can be "True" even if the passage does not use exactly the same words, provided the inference is directly supported.

Passage: "The factory was forced to close in March 2020, resulting in the loss of 350 jobs."

Statement: "The factory closure had a negative economic impact."

Analysis: The passage does not use the phrase "negative economic impact." But the loss of 350 jobs is clearly a negative economic impact. This is a straightforward, one-step inference.

Answer: True

When Inference Makes a Statement "Can't Tell"

A statement is "Can't Tell" when the inference required goes beyond what the passage supports.

Passage: "The factory was forced to close in March 2020, resulting in the loss of 350 jobs."

Statement: "The factory closure was caused by the COVID-19 pandemic."

Analysis: The timing (March 2020) might make you think this is related to COVID-19, and it might even be true in real life. But the passage does not state or imply the cause of the closure. Many factories close for various reasons. The inference requires an assumption about causation that the passage does not support.

Answer: Can't Tell

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The "Can't Tell" Trap

The most common error with inference questions is confusing a reasonable assumption with a supported inference.

How the Trap Works

The test presents a statement that seems obviously true based on common sense or general knowledge, but the passage does not actually provide the evidence needed.

Examples of the Trap

Passage: "The study found that students who used the new teaching method scored an average of 15% higher on end-of-year exams."

Statement	Tempting Answer	Correct Answer	Why
"The new teaching method is effective."	True	True	A 15% improvement is evidence of effectiveness
"The new teaching method should be adopted by all schools."	True	Can't Tell	The passage does not discuss adoption recommendations
"The new teaching method is better than all other methods."	True	Can't Tell	The passage compares it to one other method, not all methods
"Students preferred the new teaching method."	True	Can't Tell	Higher scores do not necessarily mean students preferred it

The Key Question to Ask

When you are considering "True" vs "Can't Tell", ask yourself:

"Can I point to a specific sentence or phrase in the passage that supports this?"

• If yes → likely True
• If no, but it "seems obvious" → likely Can't Tell

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Inference in Free-Text Questions

Free-text inference questions typically ask:

• "It can be inferred from the passage that..."
• "The passage implies that..."
• "Based on the passage, which of the following is most likely true?"

Strategy for Free-Text Inference Questions

1. Read the question and identify what you need to infer
2. Locate the relevant section of the passage
3. Read the passage carefully — inference questions often hinge on subtle details
4. Evaluate each option against the passage:
   • Is it directly stated? (If so, it may be too obvious for an inference question, but could still be correct)
   • Is it a small, logical step from what is stated? (This is likely the correct inference)
   • Does it require assumptions or external knowledge? (Eliminate it)
   • Does it contradict the passage? (Eliminate it)

Worked Example

Passage:

"The government announced a 20% increase in funding for renewable energy research, raising the annual budget from £500 million to £600 million. The Energy Secretary described the investment as 'essential for meeting our 2050 net-zero target.' Environmental groups welcomed the announcement but noted that the UK still spends significantly more on fossil fuel subsidies than on renewable energy research."