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Letters in the word HULULULU are rearranged. The probability of all three L being together isA. `(3)/(20)`B. `(2)/(5)`C. `(3)/(28)`D. `(5)/(23)` |
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Answer» Correct Answer - C Given words, HULULULU `:.` Total number of samle space `=(8!)/(4!3!)` and total number of ways all three L being together `=(6!)/(4!)` `:.` Required probability `=((6!)/(4!))/((8!)/(4!3!))` `=(6!xx3!)/(8!)=(3)/(28)` |
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