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The number of ways in which 12 books can...

The number of ways in which 12 books can be put in three shelves with four on each shelf is a. `(12 !)/((4!)^3)` b. `(12 !)/((3!)(4!)^3)` c. `(12 !)/((3!)^3 4!)` d. none of these

A

`(12!)/((4!)^(3))`

B

`(12!)/((3!)(4!)^(3))`

C

`(12!)/((3!)^(3)4!)`

D

none of these

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OBJECTIVE RD SHARMA ENGLISH-PERMUTATIONS AND COMBINATIONS-Exercise
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