How many words with or without meaning, can be formed by using all the letters of the word, â€˜COMPUTERâ€™, using each letter exactly once?	Select
A) 43232
B) 40320
C) 43332
D) 89000
E) 46780
The word â€˜COMPUTERâ€™ contains 8 different letters.   Therefore, Required number of words= Number of arrangement of 8 letters, taken all at a time   =8P8   = 8!   = 8*7*6*5*4*3*2*1= 
<gadget id="calculator">8*7*6*5*4*3*2*1</gadget>
<output>40_320</output>
40320   ANSWER:40320
<result>B</result>
How many words with or without meaning, can be formed by using all the letters of the word, â€˜COMPUTERâ€™, using each letter exactly once?