Statement and Argument:Statement Should coal engines be replaced by electric engines in trains? Arguments (I) Yes. Coal engines cause a lot of pollution. (II) Yes. Electric engines are good on performance, easy to operate, and low on maintenance. (Ill) No. Pakistan does not produce enough electricity to fulfill its domestic needs also.
Correct answer: B. Only I and II are strong
- A. All are strong
- B. Only I and II are strong
- C. Only II and Ill are strong
- D. Only I and Ill are strong
Explanation
b) Only I and II are strong.Explanation: This option correctly identifies that arguments I and II are strong. Both arguments provide valid and relevant points in favor of replacing coal engines with electric engines in trains. Argument I highlights the environmental and health benefits of reducing pollution, while argument II emphasizes the advantages of electric engines in terms of performance and maintenance.
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Critical thinking examines how conclusions follow from evidence, including claims, assumptions, arguments, inferences and relevant facts. Questions ask you to identify hidden assumptions, distinguish strong from weak evidence, assess cause and effect, recognise common reasoning errors, and decide which statement strengthens or weakens an argument.
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