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by coolhabhi » Mon Aug 20, 2012 8:31 pm
Could you be a little more specific. please post the options.
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by kshism » Tue Aug 21, 2012 7:07 pm
it will be (5-1)! i.e. 24
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by GMATGuruNY » Tue Aug 21, 2012 8:13 pm
Check my two posts here:

https://www.beatthegmat.com/counting-methods-t73853.html
Private tutor exclusively for the GMAT and GRE, with over 20 years of experience.
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I have worked with students based in the US, Australia, Taiwan, China, Tajikistan, Kuwait, Saudi Arabia -- a long list of countries.
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by confuse mind » Wed Aug 22, 2012 11:32 pm
My problem with this question is the number of arrangements should be 4! or 4!/2 since the necklace can be turned upside down.
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by confuse mind » Wed Aug 22, 2012 11:45 pm
Thanks Mitch...the link was very helpful.
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