NCERT Class XI Mathematics - Permutations and Combinations - Solutions
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Question : 18
Total: 41
How many words, with or without meaning, can be formed using all the letters of the word EQUATION, using each letter exactly once?
Solution:
No. of letters in the word EQUATION = 8
∴ No. of words that can be formed =
P 8
∴ No. of words that can be formed =
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