- Soft Skills Courses
- PMT-101 Preparatory Course in General Mathematics (BPP)PMT-101
- Unit-7 Permutations and CombinationsUnit-7

Unit-7 Permutations and Combinations
In this unit you will study about the Multiplication principle, permutations, combinations and Binomial Theorem.
Suppose 4 passengers enter a bus and 6 seats are vacant. In how many ways can they occupy the seats?

Your Answer has been submitted. The content will appear here after approval.
Please wait while your Answer is being submitted...

Your Answer has been submitted. The content will appear here after approval.
Please wait while your Answer is being submitted...
Answers
1 Answers

Learning Pundits Content Team
This is the number of ways of arranging 4 out of 6 objects. So, this can be done in P(6, 4) ways. Here, n = 6, r = 4 and n − r + 1 = 6 − 4 + 1 = 3. Hence, P(6, 4) = 6 × 5 × 4 × 3 = 360. So, the passengers can occupy the seats in 360 ways.
Enter Your Question
Thank you for submitting a question
Your Question will appear here after moderation