MCQs - CoreMCQs

621

If A→B, A→C, B∧C→D, A is true, B is true, and D is false, then:

Analytical Reasoning

A. C is true

B. C is false

C. A is false

D. Both B and C are true

Answer: B∧C→D and D is false means B∧C is false. Since B is true, C must be false.

622

What is the conclusion? \'Since renewable energy reduces emissions and emissions harm the environment, we should transition to renewables.\'

Analytical Reasoning

A. Renewable energy reduces emissions

B. Emissions harm the environment

C. We should transition to renewables

D. The environment matters

Answer: The recommendation to transition to renewables is the conclusion.

623

What assumption? \'Volunteering builds community because it brings people together for a common cause.\'

Analytical Reasoning

A. Volunteering brings people together

B. Common causes unite people

C. Community is important

D. All of the above

Answer: For the argument to hold, all these assumptions must be true.

624

What weakens? \'Social media advertising works because users see targeted ads and buy products.\'

Analytical Reasoning

A. Targeted ads reach users

B. Users may ignore ads

C. Buying products is the goal

D. Social media is widespread

Answer: If users ignore ads, seeing targeted ads doesn\'t lead to buying products.

625

Some books are self-help. All self-help books offer advice. Some advice is practical. Practical advice is actionable. Therefore:

Analytical Reasoning

A. All self-help books are actionable

B. Some self-help books may be actionable

C. No self-help books are actionable

D. All actionable things are self-help books

Answer: We can only conclude that some self-help books may be actionable.

626

Some animals are domesticated. All domesticated animals are tame. Some tame animals are pets. Pets provide companionship. Therefore:

Analytical Reasoning

A. All domesticated animals provide companionship

B. Some domesticated animals may provide companionship

C. No domesticated animals provide companionship

D. All companions are domesticated animals

Answer: We can only conclude that some domesticated animals may provide companionship.

627

If exactly 3 of A, B, C, D are true, A→B is true, C→D is true, and D is false, then:

Analytical Reasoning

A. A is true

B. B is true

C. C is false

D. All of A-C are true

Answer: C→D and D is false means C is false. Since exactly 3 are true and C is false, A, B, and D must be true. But D is false, contradiction. Let me reconsider: if D is false and C is false, then A and B must be true to have 3 true. So A and B are true.

628

If P→Q, Q→R, R→S, S→T, T→U, P is true, and U is false, then:

Analytical Reasoning

A. Q is true

B. R is true

C. S is true

D. All of Q-T are false

Answer: By modus tollens backwards, if U is false, then T, S, R, and Q must all be false.

629

Which weakens? \'Electric cars reduce pollution because they produce zero emissions.\'

Analytical Reasoning

A. Electric cars are clean

B. Battery production creates emissions

C. Pollution is bad

D. Cars produce pollution

Answer: If battery production creates emissions, the zero-emission claim is weakened.

630

If P→Q, Q→R, R→S, S→T, T→U, and U is false, then:

Analytical Reasoning

A. P is true

B. Q is true

C. R is true

D. All of P-T are false

Answer: By modus tollens backwards, if U is false, then T, S, R, Q, and P must all be false.

631

If A∧B→C, A∧C→B, B∧C→A, D→A, D is true, then:

Analytical Reasoning

A. A is true

B. B is true

C. C is true

D. All of the above

Answer: D→A and D true means A true. Then A∧B→C, A∧C→B, B∧C→A create a cycle where if any two are true, the third is true. So all are true.

632

Some countries are landlocked. All landlocked countries depend on neighbors for trade. Some neighbors are unreliable. Unreliable neighbors create trade problems. Therefore:

Analytical Reasoning

A. All landlocked countries have trade problems

B. Some landlocked countries may have trade problems

C. No landlocked countries have trade problems

D. All trade problems come from landlocked countries

Answer: We can only conclude that some landlocked countries may have trade problems.

633

What assumption? \'Diversity in hiring improves innovation because different perspectives generate more ideas.\'

Analytical Reasoning

A. Diversity provides different perspectives

B. Different perspectives generate ideas

C. Innovation is valuable

D. All of the above

Answer: For the argument to hold, all these assumptions must be true.

634

If A∧B→C, A∧C→B, B∧C→A, A is true, and C is false, then:

Analytical Reasoning

A. B is true

B. B is false

C. A is false

D. Both B and C are true

Answer: A∧B→C and C is false means A∧B is false. Since A is true, B must be false.

635

If A∧B→C, A∧D→E, B is true, C is false, D is true, and E is false, then:

Analytical Reasoning

A. A is true

B. A is false

C. B is false

D. D is false

Answer: A∧B→C and C is false means A∧B is false. Since B is true, A must be false. Similarly, A∧D→E and E is false with D true also means A is false.

636

Some fruits are seasonal. All seasonal fruits have limited availability. Limited availability affects pricing. Pricing affects consumer behavior. Therefore:

Analytical Reasoning

A. All seasonal fruits affect consumer behavior

B. Some seasonal fruits may affect consumer behavior

C. No seasonal fruits affect consumer behavior

D. All consumer behavior is affected by fruits

Answer: All seasonal fruits have limited availability, which affects pricing, which affects consumer behavior.

637

Some countries are island nations. All island nations depend on trade. Some trade requires shipping. Shipping uses fossil fuels. Therefore:

Analytical Reasoning

A. All island nations use fossil fuels

B. Some island nations may use fossil fuels

C. No island nations use fossil fuels

D. All fossil fuel users are island nations

Answer: All island nations depend on trade, some trade requires shipping, and shipping uses fossil fuels, so all island nations use fossil fuels.

638

Some students are volunteers. All volunteers contribute to society. Contributing to society builds character. Character influences decisions. Therefore:

Analytical Reasoning

A. All students have good character

B. Some students may have good character

C. No students have good character

D. All people with good character are students

Answer: We can only conclude that some students may have good character.

639

Which strengthens? \'Regular reading reduces stress. Readers report feeling more relaxed after reading.\'

Analytical Reasoning

A. Reading is popular

B. Feeling relaxed indicates reduced stress

C. Stress is harmful

D. Books are accessible

Answer: If feeling relaxed indicates reduced stress, this strengthens the reading-stress link.

640

What assumption? \'Remote work saves commuting time because employees don\'t travel to offices.\'

Analytical Reasoning

A. Commuting takes time

B. Not traveling saves time

C. Time savings are valuable

D. All of the above

Answer: For the argument to hold, all these assumptions must be true.

NTS Preparation MCQs