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 All in the family (Posted on 2011-11-20)
Teenager A: I found an interesting relation between my age and the age of my father. Multiplying my age by the age of my father I get the same result if we use the correct ages or if both of us reverse the ages' digits prior to the multiplication.
Same happens if I do it with my grandfather's or even with my aged grand-grand father's ages.
B, A's brother: That applies to my age as well.
C, a friend: My age, too. But no grand-grandfather...
All the ages (A,B,C) are distinct.
What are they?

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 all in the family II - NO TEENAGE CONSTRAINT | Comment 12 of 17 |

Opting for an unique solution:

Youngster A: I found an interesting relation between my age and the age of my father. Multiplying my age by the age of my father I get the same result if we use the correct ages or if both of us reverse the ages' digits prior to the multiplication.

Same happens if I do it with my grandfather's or even with my aged grand-grand father's ages.

B, A's brother: That applies to my age as well.

C, A's friend: My age, too.

D, C's older sister:    Also to my age

E, another  A's friend: My age, too. But no grand-grandfather…

None of the persons is over 30.

All the ages (A,B,C,D,E) are distinct.

What are they?

Edited on November 21, 2011, 3:44 pm
 Posted by Ady TZIDON on 2011-11-21 14:51:18

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