Read the following statement carefully and identify the conclusion that follows. Statement: Traffic violations have decreased after the installation of speed cameras. Conclusions: I. Surveillance discourages rule-breaking. II. People respect traffic rules voluntarily.
- (a)Only Conclusion I follows
- (b)Only Conclusion II follows
- (c)Both I and II follow
- (d)Neither I nor II follows
Answer
Why
Correct — A.
Rule: a conclusion follows if the statement supports it. A conclusion that runs against the statement does not.
I: violations fell after speed cameras were installed, so being watched discourages rule-breaking. I follows.
II: voluntarily means without enforcement, but the drop came with cameras, a form of enforcement. II does not follow.
Only Conclusion I follows → option (a).
Why the others are wrong
- (b)Only Conclusion II follows — Only II picks the conclusion that fights the statement. The fall came with speed cameras, so it points to enforcement, not voluntary respect for rules.
- (c)Both I and II follow — Both would need II, but voluntarily clashes with a drop timed to the cameras. People who obey because they are watched are not obeying voluntarily.
- (d)Neither I nor II follows — Neither discards I, the plain reading of the statement: fewer violations once cameras watch the roads means surveillance discourages rule-breaking.
Concept
In a statement-and-conclusion question, read what the statement links. Here it links a change (fewer violations) to a new factor (speed cameras), so a conclusion that names that factor as the reason follows.
A conclusion that credits something the statement argues against does not. If people obeyed voluntarily, the drop would not have waited for the cameras.
Strictly, the statement shows timing, not proof of cause. The key reads the drop as the cameras' effect, which is the ordinary reading of 'after the installation'.
Key facts
- The statement ties the fall in violations to the installation of speed cameras.
- Surveillance means being watched, and speed cameras are a form of it.
- Voluntary compliance means obeying without enforcement, and cameras are enforcement.
Study next
Common traps
- Accepting II because both conclusions describe better behaviour on the roads
- Rejecting I because the statement does not use the word surveillance
16 Sep 2025, 09:00, Reasoning Q.9 rejects a conclusion that runs against the statement the same way: after the worst rainfall in 50 years, 'Such rainfall occurs regularly' does not follow (keyed Only Conclusion I).
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