Permutations and Combinations
How many words with or without dictionary meaning can be formed using all the letters of the word 'JOULE' using each letter exactly once?
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Is 3!+4!=7! ?
How many words, with or without meaning, can be formed using all the letters of the word EQUATION at a time so that the vowels and consonants occur together?
Let p be the number of permutations of AAAABBBC in which As or Bs occur together, then p is
In how many different ways can the letters of the word ' KURUKSHETRA' be arranged?
Consider the word W=TALLENTEX.
In how many ways can one select a cricket team of eleven from 17 players in which only 5 players can bowl if each cricket team of 11 must include exactly 4 bowlers?
If there are n students and r prizes (r < n), then they can be given away
A bag contains 5 black and 6 red balls. Determine the number of ways in which 2 black and 3 red balls can be selected.