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 choices:	A) 1024	B) 5040	C) 3260	D) 1540	E) 2104
'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   Ans: 5040
<result>B</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