Rahim is 4 times older than his son after 10 year father will be twice as old then the son present
of the Rahim
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x= present age of Father (Rahim)
y=present age of son
x=4y
after 10 yrs., x+10=2(y+10)
x+10= 2y+20, put x=4y, 4y+10= 2y+20
2y=10, y=5, x=20, so present age of Rahim=20
y=present age of son
x=4y
after 10 yrs., x+10=2(y+10)
x+10= 2y+20, put x=4y, 4y+10= 2y+20
2y=10, y=5, x=20, so present age of Rahim=20
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