28. Five years ago, Nuri was thrice as old as Sonu. Ten years later, N – InterviewSolution

1.

28. Five years ago, Nuri was thrice as old as Sonu. Ten years later, Nuriwill be twice as old as Sonu. How old are Nuri and Sonu?

Answer»

Let Nuri is x years and Sonu is y years

x-5=3(y-5)x-3y=-10

x+10=2(y+10)x+10=2y+20x-2y=10

Subtract equationsy=20x=10+40=50

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