Q1
Not Answered
Q1. Find 6P4.
nPr = n!/(n-r)! = 360.
Home / General Aptitude / Permutations & Combinations
General Aptitude
Permutations & Combinations
Practice counting principles, combinations, and arrangement logic for competitive exams.
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You will get a fresh set each session. Select an option to instantly see correctness and explanation.
20 questions
~6 minutes
Randomized each time
Explanations included
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Q2
Not Answered
Q2. Find 6P2.
nPr = n!/(n-r)! = 30.
Q3
Not Answered
Q3. How many distinct arrangements are possible for letters in 'BOOK'?
All letters are distinct. Arrangements = 4! = 24.
Q4
Not Answered
Q4. Find 10P3.
nPr = n!/(n-r)! = 720.
Q5
Not Answered
Q5. Find 6P3.
nPr = n!/(n-r)! = 120.
Q6
Not Answered
Q6. How many distinct arrangements are possible for letters in 'CODE'?
All letters are distinct. Arrangements = 4! = 24.
Q7
Not Answered
Q7. Find 7P2.
nPr = n!/(n-r)! = 42.
Q8
Not Answered
Q8. How many distinct arrangements are possible for letters in 'MATH'?
All letters are distinct. Arrangements = 4! = 24.
Q9
Not Answered
Q9. How many ways can 4 members be chosen from 11 members?
Selection uses combination: 11C4 = 330.
Q10
Not Answered
Q10. How many distinct arrangements are possible for letters in 'QUIZ'?
All letters are distinct. Arrangements = 4! = 24.
Q11
Not Answered
Q11. How many ways can 3 members be chosen from 8 members?
Selection uses combination: 8C3 = 56.
Q12
Not Answered
Q12. Find 10P2.
nPr = n!/(n-r)! = 90.
Q13
Not Answered
Q13. How many ways can 2 members be chosen from 6 members?
Selection uses combination: 6C2 = 15.
Q14
Not Answered
Q14. Find 7P4.
nPr = n!/(n-r)! = 840.
Q15
Not Answered
Q15. How many ways can 3 members be chosen from 9 members?
Selection uses combination: 9C3 = 84.
Q16
Not Answered
Q16. Find 10P4.
nPr = n!/(n-r)! = 5040.
Q17
Not Answered
Q17. How many ways can 3 members be chosen from 6 members?
Selection uses combination: 6C3 = 20.
Q18
Not Answered
Q18. How many ways can 3 members be chosen from 12 members?
Selection uses combination: 12C3 = 220.
Q19
Not Answered
Q19. Find 8P3.
nPr = n!/(n-r)! = 336.
Q20
Not Answered
Q20. How many ways can 2 members be chosen from 12 members?
Selection uses combination: 12C2 = 66.
Quiz Summary
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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.
How to prepare effectively for this topic?
Practice short timed sets daily, review every explanation, and track recurring mistakes for weekly revision.
Are these questions useful for placements and competitive exams?
Yes. The format mirrors common screening rounds with option-based answers and explanation-driven learning.