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How many possible 5 letters words from using "HELLINA" |
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Answer» 2520 7!/2! (bcoz there are 7 letters in the word HELLINA and they can arrange themselves in 7! ways and there is a letter L which repeats 2 times so we divide 7! by 2!)7×6×5×4×3×2×1/2×1 7×6×5×4×32520Am i right? |
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