How many 4-letter word with or without meaning can be formed out
of the letters of the word 'LOGARITHMS' if repetition of letters is
not allowed  Choose the correct choice from the following answers.
A) 2000 B) 1000 C) 5040 D) 5000 E) 500
'LOGARITHMS' contains 10 different letters   Required number of words   = Number of arrangements of 100 letters taking   4 at a time   = 10P4   = 10 * 9 * 8 * 7= 
<gadget id="calculator">10 * 9 * 8 * 7</gadget>
<output>5_040</output>
5040   ANSWER 5040
<result>C</result>
How many 4-letter word with or without meaning can be formed out
of the letters of the word 'LOGARITHMS' if repetition of letters is
not allowed