Question

A sum of money was equally distributed among some girls. had there been 5 girl more girls each wound have received rs.15 more less. had there been 5 girl less ,each would have received rs 45 more. find the number

Answer 1

Step-by-step explanation:

Let the sum of rupee be x and no of boys be y then each boy get x/y now if the no of boys increased by 10 each boy get x/(y+10) = (x/y)-1 => x/(y+10) = (x-y)/y ............,.(1) now case 2nd if no of boys decrease by 15 each boy get x/(y-15)= (x/y) +3 => x/(y-15) = (x+3y)/y ...........(2) solve the equations and get the answer

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