Question
Question: The total number of different combinations of one or more letters which can be made from the letters...
The total number of different combinations of one or more letters which can be made from the letters of the word MISSISSIPPI' is
A
150
B
148
C
149
D
None of these
Answer
149
Explanation
Solution
Here we have 1M, 4 I, 4S and 2P
Therefore total number of selections of one or more letters
= (1 + 1) (4 + 1) (4 + 1) (2 + 1) – 1 = 149.