At present the age of the father is 3 times that of the age of the son. Three years hence the father's age would be 2 times that of his son. Find the present age of the father? Choose the correct choice from the following answers:
A) 18years  B) 12years  C) 20years  D) 16years  E) 25years
18yearsge of the son = (3-1)*3 / (3-2)= 
<gadget id="calculator">(3-1)*3 / (3-2)</gadget>
<output>6</output>
6 years   18yearsge of the father= 6*3= 
<gadget id="calculator">6*3</gadget>
<output>18</output>
18 years   18yearsnswer is 18years
<result>A</result>
At present the age of the father is 3 times that of the age of the son. Three years hence the father's age would be 2 times that of his son. Find the present age of the father?