Question

2002
-/3
1) 20
2) 18 3) 14 4 12
20. Ten guests are to be seated in a row of
which three are ladies. The ladies insist
on sitting together while two of the
gentlemen refuse to take consecutive
seats. In how many ways can the guests
be seated?
1) 2399976
2) 21844
3) 630624
4) 181440
21.) If a' denotes the number of permutations
of x + 2 things taken all at a time, b the
number of permutation of x things taken
11 at a time and c the number of
permutations of x-11 things taken all at
a time such that a=182bc, then the value
of x is
n be
om 4
med
ord​

Answer 1

Answer:

very long question I will not answer in 5 point