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Q1. How many distinct arrangements are possible for letters in 'QUIZ'?
All letters are distinct. Arrangements = 4! = 24.
General Aptitude
Permutations & Combinations
Practice counting principles, combinations, and arrangement logic for competitive exams.
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Q2. Find 9P2.
nPr = n!/(n-r)! = 72.
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Q3. How many distinct arrangements are possible for letters in 'BOOK'?
All letters are distinct. Arrangements = 4! = 24.
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Q4. Find 8P2.
nPr = n!/(n-r)! = 56.
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Q5. How many distinct arrangements are possible for letters in 'MATH'?
All letters are distinct. Arrangements = 4! = 24.
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Q6. Find 9P4.
nPr = n!/(n-r)! = 3024.
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Q7. Find 7P2.
nPr = n!/(n-r)! = 42.
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Q8. Find 6P3.
nPr = n!/(n-r)! = 120.
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Q9. How many ways can 4 members be chosen from 9 members?
Selection uses combination: 9C4 = 126.
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Q10. How many ways can 2 members be chosen from 12 members?
Selection uses combination: 12C2 = 66.
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Q11. How many ways can 5 members be chosen from 10 members?
Selection uses combination: 10C5 = 252.
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Q12. How many ways can 2 members be chosen from 9 members?
Selection uses combination: 9C2 = 36.
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Q13. How many ways can 2 members be chosen from 7 members?
Selection uses combination: 7C2 = 21.
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Q14. How many distinct arrangements are possible for letters in 'CODE'?
All letters are distinct. Arrangements = 4! = 24.
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Q15. How many ways can 5 members be chosen from 12 members?
Selection uses combination: 12C5 = 792.
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Q16. How many ways can 4 members be chosen from 8 members?
Selection uses combination: 8C4 = 70.
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Q17. How many ways can 2 members be chosen from 6 members?
Selection uses combination: 6C2 = 15.
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Q18. How many ways can 5 members be chosen from 6 members?
Selection uses combination: 6C5 = 6.
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Q19. How many ways can 4 members be chosen from 7 members?
Selection uses combination: 7C4 = 35.
Not Answered
Q20. How many ways can 2 members be chosen from 8 members?
Selection uses combination: 8C2 = 28.
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Permutations & Combinations Practice Questions with Answers
Build speed and accuracy with curated permutations & combinations practice. Each quiz includes solved explanations, timed mode, and instant correctness feedback to help with placement tests and competitive exams.
How to prepare effectively for permutations & combinations?
Start with daily timed sets, review every explanation, and note recurring mistake patterns for revision.
Are these permutations & combinations questions useful for placements?
Yes. The format mirrors common aptitude screening rounds with objective questions and option-based answers.