(D) The given letters are $A, H, L, R, U$ in alphabetical order.Total number of letters is $5$.Words starting with $A$: $4! = 24$ words.Words starting

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(D) The given letters are $A, H, L, R, U$ in alphabetical order.Total number of letters is $5$.Words starting with $A$: $4! = 24$ words.Words starting with $H$: $4! = 24$ words.Words starting with $L$: $4! = 24$ words.Now,words starting with $R$:Words starting with $RA$:$RAH...$: $RAHLU, RAHUL$ ($2$ words).So,the rank of $RAHUL$ is $24 + 24 + 24 + 2 = 74$.Thus,the rank of $RAHUL$ is $74$.

Class 11 Mathematics Permutation and Combination Definition of permutation, Number of permutations with or without repetition, Conditional permutations

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All the words that can be formed using the letters $A, H, L, U, R$ are written as in a dictionary (no letter is repeated). Then the rank of the word $RAHUL$ is.......

AP EAMCET 2020 All AP EAMCET

A
$70$
B
$71$
C
$73$
D
$74$

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Permutation and Combination

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Definition of permutation, Number of permutations with or without repetition, Conditional permutations

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All the words that can be formed using the letters $A, H, L, U, R$ are written as in a dictionary (no letter is repeated). Then the rank of the word $RAHUL$ is.......

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