HI, thanks for this wonderful stuff. I have a concern with last part of this question where you multiplied 1680 by saying both L can be arranged in two ways by themselves. Is it correct if both is the same word? Kindly reply if you really have started this forum for the visitors, not for the sake of "Link Building for search engines" Best Regards
Discussion :: Permutation and Combination - General Questions (Q.No.10)
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