How many three letter words are formed using the letters of the word KEYBOARD?
Choose the correct option.
A) 220	B) 289	C) 27	D) 336	E) 346
Explanation:   The number of letters in the given word is EIGHT.   The number of three letter words that can be formed using these four letters is Ã¢Â´PÃ¢â€šÆ’ = 8*7*6= 
<gadget id="calculator">8*7*6</gadget>
<output>336</output>
336.   Answer: 336
<result>D</result>
How many three letter words are formed using the letters of the word KEYBOARD?