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 Lucky and Unlucky Numbers (Posted on 2009-02-01)
There are 4 persons A,B,C and D of which 2 are liars and 2 are knights. Each of these persons has a lucky and an unlucky number. All the 8 numbers are different and they are from 1 to 9 only. It is known that sum of lucky and unlucky numbers is same for all of these 4 persons and also sum of lucky numbers is greater than sum of unlucky numbers. Find the lucky and unlucky numbers for each of them if they made the following statements:

A:
C's lucky number is 7.
The missing number is 5.

B:
C's unlucky number is 4.
D's lucky number is 2.

C:
A is a liar.
B's lucky number is 6.

D:
The product of B's numbers is 24.
The maximum of all our numbers is A's lucky number.

Note: The missing number is the number from 1 to 9 which is not any one of these people's lucky or unlucky number.

 No Solution Yet Submitted by Praneeth Rating: 4.6667 (3 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
 Solution | Comment 6 of 8 |
A (Knight) Lucky 9, Unlucky 1
B ( Liar ) Lucky 4, Unlucky 6
C ( Liar ) Lucky 7, Unlucky 3
D (Knight) Lucky 8, Unlucky 2
Missing number: 5

 Posted by Dej Mar on 2009-10-02 02:41:53

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