consider
A B C
D
E F G
H
I J K
Here each letter represent a box ( there are 5 rows and 11 boxes) .
Q in how many ways we can put put the alphabets of word LETTER so that no row remain empty.each box contain not more than one alphabet.
consider
A B C
D
E F G
H
I J K
Here each letter represent a box ( there are 5 rows and 11 boxes) .
Q in how many ways we can put put the alphabets of word LETTER so that no row remain empty.each box contain not more than one alphabet.