Latest Miscellaneous Company Exam Aptitude Question SOLUTION: In how many ways can 15 people be seated at two round tables with 7 seats and 8 seats respectively.

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(#M40002390) MISCELLANEOUS COMPAN question probability Keep an EYE

In how many ways can 15 people be seated
at two round tables with 7 seats and 8 seats
respectively.

Asked In Miscellaneous Company Exam akshay tr (12 years ago)

Unsolved Read Solution (5)

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amrit bhagat  (12 years ago)

ans=1389960
first we have 2 choose 7 people or 8 people form 15 n den we have 2 give dem the seat
case1:chossing 7 people
15c7
n den seating dem is (7-1)!
6!* 15c7=579150
case2:chossing 8 people
15c8
n den seating dem =(8-1)!
7!* 15c8=810810
ans=810810+579150=1389960

Is this solution Helpfull? Yes (7) | No (1)  

xyz  (12 years ago)

1 way
as it is round table

Is this solution Helpfull? Yes (2) | No (2)  

Arpit Agarwal  (12 years ago)

15C7 * 7! *6! =

Is this solution Helpfull? Yes (1) | No   

Arunkumar.T  (12 years ago)

in two ways...

Is this solution Helpfull? Yes | No (3)  

Ashutosh Gupta  (12 years ago)

2 ways either clock wise or anti clock wise

Is this solution Helpfull? Yes | No (3)  

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