Classroom Lecture by Sujeet Kumar ( Career Point Academic head @ Jamnagar )
Classroom Question discussion of Career Point, Bansal/Vibrant
This is the 2nd part of the series of Circular Permutation.
Watch the 1st part here :-
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https://www.youtube.com/channel/UCTd3aXivkgM8-bbPIkfHwtA
At different stage, Questions would be displayed in this Video :-
Q1. 3 Couples went to theater to watch a Movie. They sit in a row of 15 seats in such a way that no two couples remain together to keep their privacy. Find the no of possible ways of their sitting ?
Q 2. There are 12 stations b/w A and B. In How many ways can a train be made to stop at 4 of these 12 intermediate stations, no two of which are Consecutive.
Q3. 16 models are sitting on a round table.7 models are required to shoot an Ad film. Every consecutive models is hostile(non-friendly) to each other. Find the no of way such that no two hostile models come in your ad film.
Q4. n people are sitting in a circle. No of ways in which 3 people can be selected if no two of them are consecutive.
Q5. How many hexagons can be constructed by joining the vertices of the vertices of a quindecagon (15 sides), if none of the sides of hexagon are also the sides of a quindecagon.
Q6. How many triangles can be formed by joining the vertices of n-sided polygon?
How many of these triangles have
1) Exactly one side common with that of polygon?
2) Exactly 2 sides common with that of Polygon ?
3) No sides common with that of Polygon?
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