fill the water using jug....

Pour 6 litre water from 12litre water jug to 8 litre water jug. So the goal is achieved.Both 8 litre water jug and 12 litre water jug will contain only 6litre water.

following is the procedure to devide the water equally in to 6 ltr

1]  jug -  12       8       5

2] water -          8       4

3]            4         8        -

4]            4         3       5

5]            9          3       -

6]            9          -       3

7]             1        8       3

8]             1        6        5

9]             6         6

cool!

Ya, this is the perfect solution...