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If letters of the word are arranged as i...

If letters of the word are arranged as in dictionary, find the rank of the following words.(i) INDIA (ii) SURITI (ii) DOCOMO

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The letters of the word INDIA is alphabetical order are A,D,I,I,N
Number of words beginning with A=`(4!)/(2!)=12`
Number of words of beginning with D=`(4!)/(2!)=12`
Number of words beginning with IA=`3!""=6`
Number of words beginning with ID=3!=6
Number of words beginning with II=3!=6

Number of words beginning with INA=2!=2
Number of words beginning with INDAI=1
Number of words beginning with INDIA=1
Total number of words =12+12+6+6+6+2+1+1=46
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