"I've always been 45 years older than your Dad", said Grandma to young grandson.

"But now the two digits in my age, both prime, are the reverse of the two in your Dad's age".

How old is Grandma?

Grandma is precisely 72 years old.

Edited on November 19, 2007, 5:32 am

Posted by K Sengupta on 2007-11-19 05:31:19