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CBSE Class 12-science Answered

<div>The&nbsp;letters of&nbsp;the word 'SURITI ' are&nbsp;written in all&nbsp;possible order and these words are&nbsp;written out as in a&nbsp;dictionary. Find the rank of the word 'SURITI '?</div>
Asked by hasanali.ali986 | 07 Apr, 2015, 12:01: AM
Expert Answer
apostrophe S U R I T I apostrophe I n space a l p h a b e t i c space o r d e r comma space t h e space l e t t e r s space w i l l space b e space I I R S T U W o r d s space b e g i n n i n g space w i t h space I space equals 5 factorial equals 120 W o r d s space b e g i n n i n g space w i t h space R equals fraction numerator 5 factorial over denominator 2 factorial end fraction equals 60 W o r d s space b e g i n n i n g space w i t h space S I equals 4 factorial equals 24 W o r d s space b e g i n n i n g space w i t h space S R equals fraction numerator 4 factorial over denominator 2 factorial end fraction equals 12 W o r d s space b e g i n n i n g space w i t h space S T equals fraction numerator 4 factorial over denominator 2 factorial end fraction equals 12 W o r d s space b e g i n n i n g space w i t h space S U I equals 3 factorial equals 6 W o r d space S U R I I T equals 1 W o r d space S U R I T I space equals 1 R a n k space o f space t h e space w o r d space apostrophe S U R I T I apostrophe equals 120 plus 60 plus 24 plus 12 plus 12 plus 6 plus 1 plus 1 equals 236
Answered by Prasenjit Paul | 07 Apr, 2015, 10:21: AM
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