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Hi, just curious as to why we cant use 7C4 in this question ? I understand the answer from 7C4 is not one of the options. But since teh question said different combinations, so why not 7C4.
Please help
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Hi, just curious as to why we cant use 7C4 in this question ? I understand the answer from 7C4 is not one of the options. But since teh question said different combinations, so why not 7C4.
Please help
­We can't use 7C4 here because the chocolates are specified to be identical. Identical implies that selecting one chocolate is not distinguishable from selecting another of the same type, so the combinations formula won't work here. Hope this helps!
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