1.

The picture demonstrates a 3*3 box with 4 knights denoted by the letters. W stands for a white knight and B for a black one. As in a standard game of chess, the knight can move only two steps in the horizontal or vertical direction and then one step in the other direction for one move. The objective of the game is to interchange the position of both the black and white knights. What is the minimum number of moves required to complete the game?

Answer»

8
12
16
18

Solution :(C)

The above FIGURE REPRESENTS the first ‘8’ MOVES which LEADS to 90o rotation of initial arrangement. Therefore, on performing a total of ‘16’ moves required arrangement is ACHIEVED.


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