📚 General Knowledge

If selecting 3 electives from {Art, Biology, Chemistry, Drama, Economics}, and Art and Biology cannot both be chosen, and if Drama is chosen then Economics must also be chosen, which selection is NOT valid?

A {Art, Drama, Economics}
B {Biology, Chemistry, Drama}
C {Chemistry, Drama, Economics}
D {Art, Chemistry, Economics}

✓ Correct Answer: Option B

B has Drama but not Economics, violating "if Drama then Economics." All other options satisfy both constraints.

💡 Why is B) the correct answer?

The correct answer to the question "If selecting 3 electives from {Art, Biology, Chemistry, Drama, Economics}, and Art and Biology cannot both be chosen, and if Drama is chosen then Economics must also be chosen, which selection is NOT valid?" is Option B: {Biology, Chemistry, Drama}.

The other options — A) {Art, Drama, Economics}, C) {Chemistry, Drama, Economics}, D) {Art, Chemistry, Economics} — are incorrect for this General Knowledge question. As explained above: B has Drama but not Economics, violating "if Drama then Economics." All other options satisfy both constraints.

📚 About This General Knowledge Practice Question

This 2-level General Knowledge question from the World History topic is part of One Paper Preparation's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free General Knowledge practice test or use flashcards for spaced repetition review.

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