What will be the probability to form word NOTEBOOK by using letters B,E,K,N,O,O,O and T. If you have to make arrangement of E,N,O and T first, after then you have to arrange B,K,O and O.
An alphanumeric character is randomly selected from following sentence: "Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid." What is the probability that picked character is one of the following letters K or I or T or Y? Note : Alphanumeric character means alphabet or number. Space and other characters should be ignored.
An alphanumeric character is randomly selected from following sentence: "Patriotism is supporting your country all the time, and your government when it deserves it."
What is the probability that its letter I or K or T?
