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Permutation vs Combination

Problem Solving — algebra and arithmetic (GMAT Focus Edition)
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by 2011mbaspirant » Thu Mar 25, 2010 7:42 am
Unless otherwise specified whether order matters or not. How can we determine if a selection problem is a Permutation or a Combination?
Thanks...
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by harshavardhanc » Thu Mar 25, 2010 7:50 am
2011mbaspirant wrote:Unless otherwise specified whether order matters or not. How can we determine if a selection problem is a Permutation or a Combination?
Thanks...
selection is always a combination problem. Whereas, arrangements relate to permutations.
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by sanju09 » Thu Apr 01, 2010 1:04 am
harshavardhanc wrote:
2011mbaspirant wrote:Unless otherwise specified whether order matters or not. How can we determine if a selection problem is a Permutation or a Combination?
Thanks...
selection is always a combination problem. Whereas, arrangements relate to permutations.
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