Analytical Reasoning Preparation MCQs
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in Analytical Reasoning
Answer: Q∧R→P and both Q and R true means P must be true.
Answer: If fossil fuels have infrastructure advantages, cost alone may not determine replacement.
Answer: The recommendation to invest in 5G infrastructure is the conclusion.
Answer: Some physicians complete competitive residencies, which require research, which produces publications.
Answer: Equivalence means all must have the same truth value. Having exactly 2 true is impossible.
Answer: A oldest, C older than D, B younger than D gives A-C-D-B.
Answer: For the argument to hold, all these assumptions must be true.
Answer: For the argument to hold, all these assumptions must be true.
Answer: For the argument to hold, all these assumptions must be true.
Answer: Since 1↔2 must have the same truth value, either both true or both false. If both false, only 2 true remain, but we need 3 true. So both must be true, and one of 3 or 4 is true.
Answer: By modus tollens backwards, T false means S false, which means Q∧R false. Since P→Q and P true means Q true, and P→R and P true means R true, having both true contradicts Q∧R being false.
Answer: If P is true and they form a cycle, all must be true by modus ponens.
Answer: If A is true and they form a cycle, all must be true by modus ponens.
Answer: If all are equivalent and all are true, this is consistent.
Answer: Assuming autonomous weapons lead to humanity\'s destruction is a slippery slope.
Answer: A is married to B, C is B\'s child, D is C\'s child, E is D\'s father (C\'s ex-partner). A is E\'s step-child\'s parent... step-mother relationship through marriage.
Answer: If P∧Q→R, P∧R→Q, Q∧R→P, having exactly one true creates contradictions with the implications.
Answer: D is C\'s assistant, so D is lowest in hierarchy.
Answer: A is B\'s mother, B is D\'s sister, C is D\'s father, E is C\'s wife. A is E\'s husband\'s daughter\'s mother-in-law... essentially sister-in-law.
Answer: By modus tollens backwards, W false means V, U, T, S, R, Q, and P are all false.