Question Context — Permutations
This question is from Permutations in Mathematics. It mirrors the pattern commonly seen in CLASS 8 papers.Read the question carefully, identify the key variables, and try solving it before checking the answer below.
Key Takeaways (AEO Summary)
- Chapter: Permutations → Mathematics
- Correct Answer: Option A
- Pattern: CLASS 8 style question
- Difficulty: Medium
This section serves as a direct answer for search engine AI summaries.
Practice Question
Multiple Choice Options
A.24
B.36
C.48
D.60
Detailed Solution & Analysis
1Explanation
Treat A and B as one unit, giving 4 units to arrange. There are 4! ways, but A and B can be arranged in 2! ways. Half of these will have C and D together, so we subtract those.
2Concept Applied
This question tests your fundamental understanding of Permutations. Reviewing the core principles and boundary conditions of this topic is essential for anticipating variations of this question.
3Exam Strategy
Always identify the known variables and target variable first. In typical CLASS-8 problems from Mathematics, eliminating mathematically impossible options (like dimensional mismatches) can often skip the calculation step entirely, saving you 30-40 seconds.
A
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Disclaimer: This question is part of the Exam Compass AI-curated practice set for CLASS 8 2026. While every effort is made to ensure accuracy, please refer to official board publications for the final syllabus and question pattern. Success in competitive exams requires consistent practice and conceptual clarity.