Permutation and CombinationHard
Question
A shelf contains 20 books, of which 4 are single volume and the others are 8,5 and 3 volumes respectively. In how many ways can these books be arranged on the shelf so that the order of the volumes of same work is maintained ?
Options
A.2.7 !
B.7!
C.8.7!
D.None of these
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