Question
In the question given below, a passage is followed by
three statements which may or may not be inferred from the passage. Select the correct combination of statements that can be inferred. Passage: Research indicates that regular physical exercise significantly boosts cognitive function and memory retention in older adults. The study suggests that aerobic activities, such as brisk walking or swimming, increase the blood flow to the brain, specifically targeting the hippocampus. While exercise is a major factor in brain health, researchers noted that genetic factors and diet also play a role in determining overall mental sharpness in later life. Statements: I. Aerobic exercise is the only factor that influences memory retention in older adults. II. Physical activities like swimming can have a positive impact on brain physiology. III. Lifestyle choices, including diet, contribute to cognitive health alongside physical activity.Solution
Statement I: The passage explicitly states that "genetic factors and diet also play a role," so implying that exercise is the only factor is incorrect. Therefore, I is not a valid inference. Statement II: The passage mentions that aerobic activities like swimming "increase the blood flow to the brain, specifically targeting the hippocampus." This confirms a positive impact on brain physiology. This statement is valid. Statement III: The text notes that "researchers noted that genetic factors and diet also play a role in determining overall mental sharpness," which supports the idea that lifestyle choices like diet contribute to cognitive health. This statement is valid.
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All Bottles are Glasses.
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Statement: All fruits are vegetables
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    ...
Statement:Â
At-most some apple are mango.
Only a few grapes are apple.
Some grapes are mango.
No grapes are banana.
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Only a few Apple is Banana.
No Banana is Grapes.
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All Mango is Papaya.
Conc...
