the ratio of age of father and son at present is 6:1.after 5 years.the ratio bacone 7:2 .the present age of son is ?
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let 6x age of father and 1x age of sun
6x+5 / x+5= 7/2
cross multiply
12x+10= 7x+35
5x= 25
so x= 5
father age= 6×5=30 year
son age =1×5=5 year
6x+5 / x+5= 7/2
cross multiply
12x+10= 7x+35
5x= 25
so x= 5
father age= 6×5=30 year
son age =1×5=5 year
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