how can we judge that the question is of permutation or can we apply the formula ..

Asked by Sugam Prasad | 9th Nov, 2012, 12:15: PM

Expert Answer:

If there is only selection then it is combination.
If there are arrangements also, if arranging things matters then it is permutation.
If it does not matter in which order the things are picked up then it is combination.

Answered by  | 9th Nov, 2012, 05:06: PM

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