pls ans dis ques
A man has to take 9 steps. he can move in 4 directions left, right, forward, backward.
1. in how many ways he can move 9 steps??
2. in how many ways he can move 9 steps such that he has to take steps in all directions (at least one step in every direction).
3. in how many ways he can move 9 steps such that after finishing his 9 steps he is one step away from starting position....
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31 Answers
1how did u get dat???
{n i dont hve da answers rite now....will post them 2morrow...:P... just wanted to hve a clue of dis ques......}