Math Puzzle

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A sum of $ 1000 is give to u,aslo u r provided with 10 different bags.. Now $1000 it to be divided into ten different segment and be stored on the bags.The amount should be divided in such a way that if someone needs money starting from $1 to $1000, the amount needs to be given without opening in the bag again. For example : if someone needs $5, then we need to give bags which has $2 and other which has $3. Taking a partial amount in not allowed. Find out?