1.

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)`

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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