Permutations
The number of ways in which 5 different books can be arranged on a shelf is
Select the correct option:
Solution
120
- Definition of Permutation: An arrangement where order matters.
- Identify Objects: There are 5 distinct books.
- Apply Formula: The number of arrangements is 5!.
- Expansion:
- 5!=5×4×3×2×1=120.
- Conclusion: 120 ways.
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About This Question
- Subject
- mathematics
- Chapter
- permutations and combinations
- Topic
- permutations
- Difficulty
- Easy
- Year
- 2025
This easy difficulty mathematics question is from the chapter permutations and combinations, covering the topic of permutations. It appeared in the 2025 exam. Practice this and similar questions to strengthen your understanding of permutations and combinations concepts.
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