Question

2/5 families of a colony reading X newspaper,3/5 families reading Y newspaper. If 50 families do not read any of them and 125 families read both of them then what is the number of families in that colony?

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

let take total family 100x

|x|=2/5*100=40x

|y|=3/4*100=75x

|xny|=125

|xuy|=100x=40x+75x-125+50

=>100x-115x=-75

=>15x=75

=>x=5

So,100x=100*5=500(Ans.)