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   Product and Sum problem
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   Author  Topic: Product and Sum problem  (Read 1609 times)
kaykay
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Product and Sum problem  
« on: Dec 3rd, 2006, 2:47am »
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2 numbers are chosen. Person P is given the product of them. Q is given the Sum of those 2 numbers.
On asking what if they knew the two numbers here is what hapnd:
 
P says: No, I don't know the 2 numbers.
Q says: I knew that
P says: Now I know the 2 numbers.
Q says: I also know the 2 numbers.
 
what are the 2 numbers?
choices:
a> 8 11
b> 3 14
c> 7 4
d> 3 5
 
I am not very sure about the last two choices. But I believe the answer is one of a or b.
Can someone tell me how to solve this?
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ThudnBlunder
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Re: Product and Sum problem  
« Reply #1 on: Dec 3rd, 2006, 3:52am »
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This might help:  
 
http://www.ocf.berkeley.edu/~wwu/cgi-bin/yabb/YaBB.cgi?board=riddles_har d;action=display;num=1100930971
« Last Edit: Dec 3rd, 2006, 3:52am by ThudnBlunder » IP Logged

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