1. Tardigrade
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  4. If number of arrangements of letters of word DEPARTMENT taken all at a time when no two T's are together and no two E's are together is N⌊ 7, the N is equal to

Q. If number of arrangements of letters of word DEPARTMENT taken all at a time when no two T's are together and no two E's are together is , the is equal to

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Solution:

Correct answer is (b) 116