5 year ago, the age of Prithvi was four times the age of his son the sum of their parent is 55 year find Prithvi present age
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5 year ago age
son age=X, prithvi age=4X
present son age =X+5, prithvi age=4X+5
present sum=X+5+4X+5=55
5X=45
X=9
son age=14, prithvi age=41
son age=X, prithvi age=4X
present son age =X+5, prithvi age=4X+5
present sum=X+5+4X+5=55
5X=45
X=9
son age=14, prithvi age=41
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