Question

Five years ago,raju was twice as old as peter.five years later,his age will be 5 more than Peter's age.find their present ages

Answer 1

Raju : Peter = 2:1 ( 5 yrs ago)
2-1= Raju - Peter =1 unit = 5 yrs
Raju now: 5*2 +5+5=20
peter now : 5*1+5+5=15.