Difference between revisions of "1995 IMO Problems/Problem 6"
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| + | ==Problem== | ||
Let <math>p</math> be an odd prime number. How many <math>p</math>-element subsets <math>A</math> of <math>{1,2,\ldots,2p}</math> are there, the sum of whose elements is divisible by <math>p</math>? | Let <math>p</math> be an odd prime number. How many <math>p</math>-element subsets <math>A</math> of <math>{1,2,\ldots,2p}</math> are there, the sum of whose elements is divisible by <math>p</math>? | ||
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| + | ==See Also== | ||
| + | {{IMO box|year=1995|num-b=5|after=Last Question}} | ||
be an odd prime number. How many 
of 
are there, the sum of whose elements is divisible by 
