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 Safe Combination (Posted on 2013-09-09)
```
C
B   D
A      E
o         F
K      G
J  H
I```
The diagram above represents a dial on a safe which has 12 points, one of them white (denoted by o). This white point, is to be turned to each letter in turn, but not in alphabetical order, to open the safe. The dial should be turned toward the letters as follows:
1. A before D but after B.
2. B before C but after H.
3. H before F, F before G, G before I and I before J.
4. H after K, K before F, F after D, D before G, and G after E.
5. E before D, C before E, E after B, C before G, and A after E.
What is the order of letters to which the white point should be turned in order to open the safe?

 No Solution Yet Submitted by K Sengupta Rating: 2.0000 (1 votes)

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 Solution Comment 2 of 2 |

If you use < symbol prob is easier to solve.

1) B<A<D,

2) H<B<C,

3) H<F, F<G, G<I, I<J

4) K<H, K<F, D<F, D<G, E<G

5) E<D, C<E, B<E, C<G, E<A

From 1) & 2) and Relationships of H and D

K<H<B<A<D<F<G<I<J

and C<E<D and since B<C and E<A so

K<H<B<C<E<A<D<F<G<I<J

 Posted by Salil on 2013-09-27 00:14:20

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