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Showing posts from November 2, 2008

Diversification

Some product line diversification to see if I can energize my reader base. I found these on Anil Krishna's webpage. He has some good stuff there. This one is quite do-able. I mean I could do it, so probably the difficulty rating is -1 :) Anil and Kavita attend a party with 3 other couples,including Srini and Shyamala (a couple). During the party everyone shakes hands with a certain number of other people that doesn't include oneself and one's spouse. At the end of the party Anil asks each person (apart from himself) how many people they shook hands with. He finds that each person answered truthfully and each one gave a different number. Anil did shake hands with Srini. From this information find out 1: Did Kavita shake hands with Srini? 2: Did Kavita shake hands with Shyamala? And another one... There are 2 numbers X and Y (integers). 2<= X < Y <= 100 Person 1, P1, knows X * Y (product). Person 2, P2, knows X + Y (sum). P1 knows that P2 knows the sum, P2 knows that