The letters of the word CALCULUS are permuted in all possible ways . Then the number of words in which -
A) 2C's are separated is 3780
B) 2C's and 2L's are separated is 2880
C) 2C's are separated but 2L's are
together is 900
D) 2C's and 2L's are together is 360 . ( More than one choice can be correct)

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