4 persons have to be seated in 12 seats with no person sitting next to each other
Ahel Bhattacharyya , 11 Years ago
Grade
Algebra> 4 persons have to be seated in 12 seats w...
1 Answersruchi yadav
Step 1. 5 people can sit around a circular table in 4! ways
Step2. Consider these two poeple as one unit so 3 people + 1 Couple can sit around a round table in 3! ways
Step3. But the couple can exchange seats in 2 ways. MH or HM
So the total probability is 2. 3! / 4! = 1/2 = 50% chance
Step2. Consider these two poeple as one unit so 3 people + 1 Couple can sit around a round table in 3! ways
Step3. But the couple can exchange seats in 2 ways. MH or HM
So the total probability is 2. 3! / 4! = 1/2 = 50% chance
Thank YouRuchiAskiitians Faculty
LIVE ONLINE CLASSES
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Other Related Questions on algebra
Can we divide two vectors? If this is possible then how?
Can we divide two vectors? If this is possible then how?
algebra
1 Answer Available
Last Activity: 2 Years ago
How do you write “the product of 18 and q” as an algebraic expression?
How do you write “the product of 18 and q” as an algebraic expression?
algebra
1 Answer Available
Last Activity: 2 Years ago
दहावीच्या आय सी एस इ विद्यार्थ्यांनी पुढे काय करायला पाहिजे
दहावीच्या आय सी एस इ विद्यार्थ्यांनी पुढे काय करायला पाहिजे
algebra
1 Answer Available
Last Activity: 3 Years ago