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Question:  If the digits of my present age are reversed then i get the age of my son.If 1 year ago my age was twice as that of my son.Find my present age



September 09, 2007 10:42:22 #1
 i_upal   Member Since: April 2007    Total Comments: 1 
RE: If the digits of my present age are reversed then ...
 
My age : 10x+y
Son age : 10y+x

so 10x+y = 10y+x
     10x+y-1 = 2(10y+x-1)
     x = (19y-1)/8

for y=3    
           (19y-1) is completely divisible by 8
so x = 7

So my present age : 10*7+3 = 73
             son's age  :  10*3+7 = 37 
     

 

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