How many words can be formed by taking 4 letters at a time out of the letters the word MATHEMATICS.
Answers
Answered by
5
The total number of letters in the word is 11. Hence n=11.
Letters to be taken is r=4
By permutation
nPr=11P4
=11!/(11-4)!
By simplifying you will get 7920.
Therefore, the total number of words that can be formed is 7920.
Letters to be taken is r=4
By permutation
nPr=11P4
=11!/(11-4)!
By simplifying you will get 7920.
Therefore, the total number of words that can be formed is 7920.
Answered by
1
MATHEMATICS = 11 words
11C4 = 330 ways
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