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Re: The total number of joints [#permalink]
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If we count the joints and connectors in this figure, we come up with 11 joints and 10 connectors, making (A) the correct answer. There is no need to complicate this with a permutation or combination formula, as we must count them anyway.
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Re: The total number of joints [#permalink]
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seems like my interpretation of joints was wrong.
thankyou for the explanation Carcass
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Re: The total number of joints [#permalink]
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:thumbsup: :thumbsup:
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Re: The total number of joints [#permalink]
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