Daily Olympiad: Logical Reasoning - Assumptions [20260511]

Challenge yourself with today's CLAT practice! This test covers 'Assumptions' for Logical Reasoning (CLAT - 12). Level: Medium | Duration: 40 mins.

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1. A government policy introduced in 2020 mandates that all schools provide free textbooks. A recent report shows that student pass rates in public schools have increased by 15% since 2020. Which assumption underlies this claim?

Solution
Correct: C
The argument assumes that the free textbook policy directly caused the pass rate increase. Choice C identifies the causal link by ruling out alternate explanations, which is essential for the argument's validity. Other options either overgeneralize or focus on timing.

2. A clinic claims their new vaccine reduced flu cases in the region by 40%. Which assumption must the clinic hold true for their argument?

Solution
Correct: B
The argument assumes the vaccine caused the reduction, excluding other variables. Choice B eliminates alternative explanations. Other options are either irrelevant or irrelevant to causality.

3. A city increased police patrols in an area with high crime and reported a 20% decline in theft. Advocates argue that patrols caused the drop. What critical assumption is this?

Solution
Correct: C
The argument assumes that factors other than patrols, like natural trends or external influences, did not cause the decline. Choice C identifies this baseline assumption.

4. A report argues that a new tax on sugary drinks reduced obesity by 10% in children. What assumption does this conclusion depend on?

Solution
Correct: A
The argument assumes that the tax directly led to reduced consumption, ruling out substitutions that could undermine the conclusion. Choice A highlights this causal dependency.

5. A study claims that night shift work leads to sleep disorders because participants reported more insomnia. What assumption is critical here?

Solution
Correct: D
The argument assumes self-reported data is reliable (Choice D). Without this, the causal link between shifts and insomnia cannot be validated.

6. A company reduced prices by 10% and claims sales doubled. What assumption underpins this argument?

Solution
Correct: C
The argument assumes causality—the price cut alone must be the driver. Choice C rules out alternative factors (like marketing) that could explain higher sales.

7. An article argues that remote work reduces burnout because employees report fewer sick days. What assumption is necessary here?

Solution
Correct: C
The argument assumes the link between sick days and burnout (Choice C). If this connection is invalid, the conclusion fails.

8. A study claims that meditation increases productivity. What assumption does this conclusion depend on?

Solution
Correct: C
The argument assumes meditation caused the productivity increase (Choice C). It dismisses placebo effects as potential confounders.

9. A school claims that its new curriculum improved student happiness by 30%. What unspoken assumption is crucial?

Solution
Correct: C
The argument requires that the curriculum was the primary driver of happiness improvement (Choice C). If other changes occurred, the claim is weakened.

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Daily Olympiad: Logical Reasoning - Assumptions [20260512]

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