Test Not Found!

Subject : Is It a mistake ?
i think the first question\'s answer is wrong because if u break the first chain completely it takes 4X10=40 to weld back the links between the 2nd and third , third and 4th and so on these 4 links will be used thus 25X4 =100 So total time =140If my explanation is wrong explain the problem
28/11/2009 11:30:09   |  Reply
Subject :
good tests
10/08/2008 14:29:23   |  Reply
Subject :
there is no test
10/08/2008 14:28:52   |  Reply