Find the number of ways in which one can post 4 letters in 6 letter boxes.

Find the number of ways in which one can post 5 letters in 7 letter boxes.

The number of ways in which one can post 4 letters in 5 letter boxes, is

STATEMENT -1: The exponent of 7 in ""^(100)C_(50) is 4. STATEMENT -2 : The number of ways in which we can post 5 letters in 12 boxes is 12^(5) .

Find the number of ways in which onee or more letters can be selected from the letter. AAAAA BBBB CCC DD EFG.

The number of ways in which 10 letters can be posted in five letter boxes is

There are 3 letters and 3 envelopes. Find the number of ways in which all letters are put in the wrong envelopes

Find the number of ways in which all the letters of the word 'COCONUT' be arranged such that at least one 'C' comes at odd place.