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How Old, Again?

Math brain teasers require computations to solve.

 

Puzzle ID:#49426
Fun:*** (2.74)
Difficulty:*** (2.35)
Category:Math
Submitted By:fishmedAus******mod

 

 

 



Suppose I am a grandfather. My grandson is about as old in days as my son is in weeks. He is also as many months old as I am in years. Together, the three of us are 140 years old. How old am I?

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Comments

RRAMMOHAN*in*
Oct 07, 2012

Very cleverly worded. A good one. Took a few minutes to solve.
SaraGracetus*
Aug 01, 2013

Well done and tricky
Streuther
Dec 02, 2013

I took "My grandson is about as old in days as my son is in weeks. He is also as many months old as I am in years."
to mean

MY SON is as many months old as I am in years...but when that gave my age as being over 140 years old, I reread the question and got the correct anwer
Proph*gh*
Jan 06, 2014

perfect :-P
Jimmygu3
Feb 23, 2014

My way to solve: Say grandson is 1. Son would be 7 and grandfather 12. Adds up to 20. So multiply everything by 7 to make the sum 140: 7, 49, 84.



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