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

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

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 4 letters in 6 letter boxes.

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

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

The number of ways in which we can post 5 letters in 10 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) .

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) .

The number of ways in which 10 letters can be posted in 5 letter boxes is