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February 18, 2018, 10:55:06 AM
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: A special squarish age  ( 4132 )
« : June 05, 2007, 06:39:49 PM From Abhay»



A special squarish age


Let's say that a number is squarish if it is the product of two consecutive numbers.  For example, 6 is squarish, because it is 2*3.

A friend of mine at Microsoft recently had a birthday.  He said his age is now squarish.  Moreover, since the previous time his age was a squarish number, a squarish number of years has passed.  How many years would he have to wait until his age would have this property again?

 
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« #1 : June 05, 2007, 06:50:17 PM From PSM»

he have to wait 14 years for hi age to be squarish again...............reply if right ..
fast plzzzzzzzz
« #2 : June 05, 2007, 08:08:46 PM From Shrinidhi»

Yeah. Even I feel it will be another 14 years for him to reach a squarish age again. Current age is 42 and the last time he was suarish was 12 years back.
« #3 : June 05, 2007, 08:36:39 PM From PSM»

yep u r right shrinidhi............me too think the same
« #4 : June 16, 2007, 11:12:29 PM From spazinvader»

Guys
I think u r wrong.
U may have found the present age and the next squarish age of the person
But as per the question,How many years would he have to wait until his age would have this property again?
I think,by this,he is expecting an answer of years by which the same statements come true(i.e)since the previous time his age was a squarish number, a squarish number of years has passed.
As per ur answer,taking 14,we will get the age as 56,but 14 is not a squarish number.
I think,the waiting years should also be a squarish number.


« #5 : June 17, 2007, 12:49:41 AM From PSM»

if u think this way then the answer will be 30 years....he have to wait 30 years for his age to become squarish again..
he is now 42(7*6)....n after 30(5*6) years he will be 72.(9*8)
i think this will be the answer
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