Permutation and CombinationMedium
Question
The number of words which can be formed by taking two same and two different letters from the letters of the word ′COMBINATION′ is-
Options
A.756
B.1512
C.252
D.None of these
More Permutation and Combination Questions
In an election 3 persons are to be elected from 6 candidates. A voter can cast any number of votes but not more than the...The three sides AB, BC and CA of any ᐃABC are having 3, 4, and 5 internal points respectively. Then the number of ...How many four digits numbers can be formed with digits 1,2,3,4,5,6 when it includes 1 and 2 necessarily (Rept. not allow...How many five digit even numbers can be formed by using the digits 0,2,3,4,5 (Rept. not allowed)?...The number of permutations that can be formed by arranging all the letters of the word ′NINETEEN′ in which n...