SOLUTION: how many word can be formed by taking four letter at a time out of letter of the word MATHEMATICS
i tried the method: c(11,4)/2!2!2!
. . . but ans didnt match. . . .
plz give s
Algebra.Com
Question 936880: how many word can be formed by taking four letter at a time out of letter of the word MATHEMATICS
i tried the method: c(11,4)/2!2!2!
. . . but ans didnt match. . . .
plz give suitable explanation
Answer by srinivas.g(540) (Show Source): You can put this solution on YOUR website!
total no of letters in MATHEMATICS =11
no of A 's =2
no of M's = 2
no of T'S = 2
NO of words that can be formed =
p(11,4) =
=7920
2! = 2*1 = 2
Hence
NO of words that can be formed =
=
=990
Result: 990
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