Critical Reasoning — Implicit Assumptions Observation: “In spite of the heavy rains, the traffic has not been disrupted this year.”
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AOnly I is implicit
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BOnly I and II are implicit
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COnly III is implicit
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DOnly II and III are implicit
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ENone is implicit
Answer
Correct Answer: None is implicit
Explanation
Introduction / Context:The statement is an observation contrasting heavy rainfall with uninterrupted traffic. We examine which assumptions must underlie this observation.
Given Data / Assumptions:
- I. Traffic is disrupted in rainy seasons only.
- II. Rains do not affect traffic movement.
- III. Adequate precautions were taken for traffic management during the rainy season.
Concept / Approach:An assumption is required only if the statement would be unreasonable without it. The sentence merely reports a fact for “this year.” It does not claim causes or exclusivity.
Step-by-Step Solution:
1) I is not required. The statement says nothing about other seasons; disruption can happen in many conditions.2) II contradicts the phrasing “in spite of heavy rains,” which implies rains typically hinder traffic. So II is not assumed.3) III suggests a reason (precautions), but the statement does not assert any causal explanation. Thus III is not necessary.Verification / Alternative check:Even if there were no special precautions, it is still possible that traffic was not disrupted this year. Hence none of the three is indispensable.
Why Other Options Are Wrong:
- I, II, or III (alone or in combination) add claims about causes or exclusivity that the observation never makes.
Common Pitfalls:Reading implied causes (“precautions”) into a bare observation, or treating one year’s outcome as a universal rule.
Final Answer:None is implicit