The father tells his son,"I was of your present age when you were born. If the father is 36 now, how old was the boy 5 years back. 1. 13 2. 15 3. 17 4. 20

I am not able to think this qusn

Your Answer

13 is the answer.... Father (x) then child zero.... Now child is of x yrs then the father is of 2x yrs.... Think.... And 2x=36 thus x=18 and therefore five yrs back child is of 13yrs......

  • how do you know that father now is 2X yrs old?

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