1.

The number of ways in which 12 books can be put in 3 shelves, 4 on each is

Answer»

`(12!)/((4!)^(3))`
`(12!)/((3!)^(3))`
`(12!)/((4!)^(3))xx(1)/(3!)`
`(12!)/((4!)^(3))xx(1)/(3)`

ANSWER :C


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