+0  
 
+1
86
1
avatar+376 

There are ten meerkats in a colony. Every night, two meerkats stand guard while the others sleep. During a certain period of nights, every meerkat stands guard with every other meerkat exactly once. During that period, how many nights of sleep does each meerkat get?

RektTheNoob  Feb 28, 2018
Sort: 

1+0 Answers

 #1
avatar+86567 
+1

I think this might be correct

 

The number of  pairings  (nights) will  be  C(10, 2)  = 45

 

Each meerkat  will  pair with the other 9 one time

 

So.....each meerkat will stand guard  9 nights and sleep 36 nights

 

 

cool cool cool

CPhill  Feb 28, 2018

12 Online Users

avatar
New Privacy Policy (May 2018)
We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  Privacy Policy