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Q.

All the letters of the word PUBLIC are written in all possible orders and these words are written as in a dictionary with serial numbers. Then the serial number of the word PUBLIC is

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Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

582

b

576

c

578

d

580

answer is D.

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Detailed Solution

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Rank = 4(5!) + 4(4!) + 0(3!) + 2(2!) + 1(1!) + 0 + 1
= 480 + 96 + 4 + 2
= 582
 

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