How many 3 letters words (with or without meaning) can be formed out of the letters of the word, “PLATINUM”, if repetition of letters is not allowed? (A) 336 (B) 742 (C) 850 (D) 990►Correct Option Correct Option is: AThe word PLATINUM contains 8 different letters. Required number of words = number of arrangements of 8 letters taking 3 at a time. = 8p3 = 8 x 7 x 6 = 56×6 = 336