Rs 9000 were divided equally among a certain number of persons. Had there been 15 less persons, each would have got Rs 50 more. find the original number of persons.
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let n be the number
now
9000/n +50=9000/n-15
⇒9000+50n/n=9000/n-15
⇒50n^2-750n-135000=0
⇒n=60 or -45
no of persons can not be negative hence answer is 60
now
9000/n +50=9000/n-15
⇒9000+50n/n=9000/n-15
⇒50n^2-750n-135000=0
⇒n=60 or -45
no of persons can not be negative hence answer is 60
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