1.

If (1xx 2 xx 3 xx 4xx .... xx n!) = n, then (14! - 13! - 12!) is equal to

Answer»

`14xx12 XX (12!)`
`14 xx 12 xx (13!)`
`14 xx 13 xx (13!)`
`13xx12 xx (12!)`

ANSWER :A


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