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

• Answer: C. 5040
  Explaination: The Word LOGARITHMS is contain 10 letters.
  To find how many 4 letter word we can find from that =
  
  10*9*8*7
• 12 years agoHelpfull: Yes(18) No(5)
• ans c(5040)
  total alphabet is =10
  then select word 4
  then 10p4=10*9*8*7=5040
• 10 years agoHelpfull: Yes(5) No(0)