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Can you give me each and every 5 number combination from 1 to 10?
Quora
The combinations of n items taken k at a time is, C(n, k) = n!/[k!(n - k)!] For n = 10 and k = 5 this calculates to: C(10, 5) = 10!/(5!*5!)
9 months ago
What are all of the possible 6 letter combinations of the letters riptee?
Quora
The number of arrangements of n different things taken all at a time is n! where ! stands for factorial of the mumber If out of n things all...
9 months ago
How many ways are there to permute the letters?
Quora
The answer is simple, in English there are 26 letters, so possible number of permutation is 26! (It's not a punctuation mark.
88 months ago
How many two-letter words can be formed using the word 'supplementary' if repetition of letters is (i) allowed and (ii) not ...
Quora
By repetition, I'm assuming you mean UU would be a word…and that when repetition is not allowed, PP is still a word. Single letters: S, U,...
21 months ago
How many 3-letter words can be formed from 6 letters?
Quora
Let the 3-letters be placed in 3 distinct boxes : Let us assume that no letter is to be repeated. In the beginning lets consider Box N0 1...
27 months ago
In how many ways can the letters of the word “precarious” be arranged so that all of the vowels are always together?
Quora
There are 5 consonants and 5 vowels. The 2 Rs are identical. Since the 5 vowels are all together, the vowels will form one big group.
81 months ago
How many permutations of the letters ABCDEFGH contain the strings CAB and BED?
Quora
Containing both strings boils down to containing the string [math]CABED[/math]. Now it remains to find the number of permutations of the...
31 months ago
In how many ways can the word arrow be arranged if the two Rs must be together?
Quora
Treat the word as four letters only - A R O W. The first letter in the “new word” can be selected in four ways - A, or R, or O, or W. The...
29 months ago
How many different arrangements of the letters are in the word pepper?
Quora
6!/(3!*2!)= 60. First pretend that 2 es ans 3 ps are all different letters. Then the number of arrangements is 6!
75 months ago
How to find the number of different arrangements of the nine letters in the word “ALLIGATOR” in which the two L's are ...
Quora
If there are exactly 6 letters between the two A's, then those A's plus anything between them takes up 8 letters. The 9th letter must be...
15 months ago