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A puzzle related to mathematical facts and objects, whose solution needs mathematical arguments. General mathematics questions are off-topic but can be asked on Mathematics Stack Exchange.

-5 votes
1 answer
413 views

A taxi was involved in a hit-and-run accident last night [closed]

A taxi was involved in a hit-and-run accident at night. Two taxi companies, the green and the blue, operate in the city. 85% percent of the taxis are green and 15% are blue. A witness identified the …
BobRodes's user avatar
  • 745
0 votes

Variant of lion and 100 zebras

I don't think that the lions can win on an infinite plane. First, draw a circle around the lions, the smallest one needed to encircle all the lions. Now, draw another circle whose radius is 10^r lig …
BobRodes's user avatar
  • 745