Solve Puzzle 2 Test Online

1. Given below are three boxes. Arranged in these boxes are the numbers 0 to 14. The numbers in each box have been placed according to a scheme. The problem is to reason this scheme out so that we can place three the next three numbers 15,  16 and 17, into the correct boxes. The time limit for solving this puzzle is five minutes.

2. Put three tumblers on a table in a line, with one tumbler mouth down, one mouth up and the last mouth down. The problem is, in three moves, in three moves, not one, to have three tumblers mouths pointing upwards on the table.  During each move you must turn two tumblers over. one in each hand.

3. Our chess champion is the master of the game but one problem is really threatening to check-mate him.
The problem is:starting from the corner cell of a normal chess-board. How many other different cells can a knight visit in exactly five moves. Can you help our chess champion?