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Too Old For Grandma (Posted on 2003-02-28) Difficulty: 2 of 5
"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?

See The Solution Submitted by Ravi Raja    
Rating: 2.5000 (14 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
answer | Comment 14 of 16 |

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

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