T arrangements of 10 different thin...
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T arrangements of 10 different thing particular thing always u ne of these 133. The number of arrangements taken 4 at a time in which one paru occurs is - (a) 2,015 (b) 2,016 (C) 2,014 (d) None of these 5 be different things

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Here, if 1 thig dricays occuls then me mill fing that place. Now 3 places are remaining and 9 things are renaining For ( , ) frest 3 places selections of things are 9 and arrangments 3) of 4 lings is 41 Ans ( left(begin{array}{l}9 3end{array}right) times 4 !=84 times 24 ) ( =2016 ) way
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