12. How many 4-letter words with or without meaning, can be formed out of the letters of the word, 'LOGARITHMS', if repetition of letters is not allowed? A. 40 B. 400 C. 5040 D. 2520
12. How many 4-letter words with or without meaning, can be formed out of the letters of the word, 'LOGARITHMS', if repetition of letters is not allowed? A. 40 B. 400 C. 5040 D. 2520
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:12. How many 4-letter words with or without meaning,
can be formed out of the letters of the word,
'LOGARITHMS', if repetition of letters is not
allowed?
A. 40
B. 400
C. 5040
D. 2520
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